Latest Firefox released for Windows


Firefox_banner.png

Firefox Release Version: 151.0.3
Release Date: June 01, 2026

FTP Download Page:
(32-bit) Directory Listing: /pub/firefox/releases/151.0.3/win32/en-US/
(64-bit) Directory Listing: /pub/firefox/releases/151.0.3/win64/en-US/

32-bit and 64-bit Download Page: Mozilla Firefox Web Browser - Download Firefox in your language - Mozilla

Release Notes: Firefox Release Notes



Firefox Release Candidate Version: 151.0.3 Build 1 (RC1)
Release Date: June 01, 2026

FTP Download Page:
(32-bit) Directory Listing: /pub/firefox/candidates/151.0.3-candidates/build1/win32/en-US/
(64-bit) Directory Listing: /pub/firefox/candidates/151.0.3-candidates/build1/win64/en-US/

Directory Listing: Directory Listing: /pub/firefox/candidates/



Firefox BETA Version: 152.0b7
Release Date: June 03, 2026

FTP Download Page:
(32-bit) Directory Listing: /pub/firefox/releases/152.0b7/win32/en-US/
(64-bit) Directory Listing: /pub/firefox/releases/152.0b7/win64/en-US/

32-bit and 64-bit Download Page: Mozilla Firefox Beta Web Browser - Download Firefox Beta in your language - Mozilla

Release Notes: Firefox Release Notes



Firefox Nightly Version: 153.0a1
Release Date: May 19, 2026

32-bit and 64-bit Download Page: Mozilla Firefox Nightly Web Browser - Download Firefox Nightly in your language - Mozilla

FTP Download Page: Directory Listing: /pub/firefox/nightly/mozilla-central/

Release Notes: Firefox Nightly Release Notes

 
Last edited:
I bit the bullet and installed the newest builds for Nightly and Stable lol.
 

My Computers

System One System Two

  • OS
    Windows 11 23H2 Current build
    Computer type
    PC/Desktop
    Manufacturer/Model
    HomeBrew
    CPU
    AMD Ryzen 9 3950X
    Motherboard
    MSI MEG X570 GODLIKE
    Memory
    4 * 32 GB - Corsair Vengeance 3600 MHz
    Graphics Card(s)
    EVGA GeForce RTX 3080 Ti XC3 ULTRA GAMING (12G-P5-3955-KR)
    Sound Card
    Realtek® ALC1220 Codec
    Monitor(s) Displays
    2x Eve Spectrum ES07D03 4K Gaming Monitor (Matte) | Eve Spectrum ES07DC9 4K Gaming Monitor (Glossy)
    Screen Resolution
    3x 3840 x 2160
    Hard Drives
    3x Samsung 980 Pro NVMe PCIe 4 M.2 2 TB SSD (MZ-V8P2T0B/AM) } 3x Sabrent Rocket NVMe 4.0 1 TB SSD (USB)
    PSU
    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Platinum
    Case
    Fractal Design Define 7 XL Dark ATX Full Tower Case
    Cooling
    Arctic Liquid Freezer III 420 RGB + Air 3x 140mm case fans (pull front) + 1x 120 mm (push back) and 1 x 120 mm (pull bottom)
    Keyboard
    SteelSeries Apex Pro Wired Gaming Keyboard
    Mouse
    Logitech MX Master 3S | MX Master 3 for Business
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
    Browser
    Nightly (default) + Firefox (stable), Chrome, Edge , Arc
    Antivirus
    Defender + MB 5 Beta
  • Operating System
    ChromeOS Flex Dev Channel (current)
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E5470
    CPU
    Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2501 Mhz, 2 Core(s), 4 Logical Processor(s)
    Motherboard
    Dell
    Memory
    16 GB
    Graphics card(s)
    Intel(R) HD Graphics 520
    Sound Card
    Intel(R) HD Graphics 520 + RealTek Audio
    Monitor(s) Displays
    Dell laptop display 15"
    Screen Resolution
    1920 * 1080
    Hard Drives
    Toshiba 128GB M.2 22300 drive
    INTEL Cherryville 520 Series SSDSC2CW180A 180 GB SATA III SSD
    PSU
    Dell
    Case
    Dell
    Cooling
    Dell
    Keyboard
    Dell
    Mouse
    Logitech MX Master 3S (shared w. Sys 1) | Dell TouchPad
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
How i can make firefox let me download at root of c: at windows11?
I can copy or move files into "root c:" If i accept the question).
 

My Computer

System One

  • OS
    Windows 7 and 11 and 12
    Computer type
    PC/Desktop
    Browser
    Firefox
How i can make firefox let me download at root of c: at windows11?

If I understand your question correctly, just change this setting in Firefox.
That won't work. The root of the C:\ drive is protected, you need to use admin rights to put a file there. And you don't get prompted to use your admin rights when downloading in Firefox.

1698155888836.png
 

My Computers

System One System Two

  • OS
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Acer Aspire 3 A315-23-R9VY
    CPU
    AMD Athlon Silver 3050U
    Memory
    8GB
    Graphics Card(s)
    Radeon Graphics
    Monitor(s) Displays
    laptop screen
    Screen Resolution
    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
    Hard Drives
    1TB Samsung EVO 870 SSD (from April 2026: 250GB EVO 850)
    Internet Speed
    150 Mbps
    Browser
    Edge, Firefox
    Antivirus
    Defender
    Other Info
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October 2021 it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update, 24H2 on 3rd October 2024 through Windows Update by setting the Target Release Version for 24H2, and 25H2 on 30th September 2025 through Windows Update by setting the Target Release Version for 25H2.

    UPDATE - 11 April 2026: due to mechanical deterioration this PC has been retired from active duty. The OS with all software and files has been migrated to my System Seven below to carry on as my general purpose 'main machine'.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Dev, and Canary builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine.
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E4310
    CPU
    Intel® Core™ i5-520M
    Motherboard
    0T6M8G
    Memory
    8GB
    Graphics card(s)
    (integrated graphics) Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    500GB Crucial MX500 SSD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround. In-place upgrade to 22H2 using ISO and a workaround. Feature Update to 23H2 by manually installing the Enablement Package. In-place upgrade to 24H2 using hybrid 23H2/24H2 install media. Upgraded to 25H2 by Enablement Package. Also running Insider Dev, and Canary builds and Windows 10 as native boot .vhdx.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Dev, and Canary builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine.
This isn't a FF thing, it's an OS thing.

Idk why you would want that but changing the owner of C:\ in (properties->security tab) from TrustedInstaller to Administrators (w/ full control) outta do it.
 

My Computer

System One

  • OS
    Windows 11
This isn't a FF thing, it's an OS thing.

Idk why you would want that but changing the owner of C:\ in (properties->security tab) from TrustedInstaller to Administrators (w/ full control) outta do it.
dangerous. I'm sure others will have an opinion. Imo - dangerous
 

My Computer

System One

  • OS
    Multi-boot Windows 11 & 10 - RTM, RP, Beta, Dev and Canary
    Computer type
    PC/Desktop
    Manufacturer/Model
    Alienware R12
    CPU
    11th Gen i9-11900KF @ 3.50GHz, 8 cores/16 logical proc.
    Motherboard
    Alienware 07HV66 (U3E1)
    Memory
    32GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3080 w/10GB GDDR5X mem
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    Samsung 27" Curved C27F591
    Screen Resolution
    1920 x 1080 x 60 hertz
    Hard Drives
    1TB NVMe PM961 NVMe SSD SAMSUNG (Boot),
    2TB Seagate ST2000DM001-1ER164 (SATA),
    1TB Samsung SSD 850 EVO,
    1TB Seagate ST1000DM003-1ER162,
    1TB WD Elements 10A8 USB Device,
    1TB BUFFALO HD-PNTU3 USB Device,
    1TB x4 Seagate BUP Slim SCSI Disk Device
    PSU
    850W PSU Liquid Cooled Chassis - CyberPower 1500 UPS
    Case
    Alienware Mid-Tower (Dell)
    Cooling
    Liquid Cooled - 3 fan - Top exhaust
    Keyboard
    Logitech K800 Wireless
    Mouse
    Logitech MX Master Wireless
    Internet Speed
    1 Gigabit
    Browser
    FF, Chrome, Opera, Edge
    Antivirus
    Defender, MBAM, SuperAntiSpyware
    Other Info
    Blueray R/W Optical,
    Canon MX410 series Printer/Fax/Scanner/Copier,
    Altec 5.1 Speakers L-R, Mid Base Boom,

    Macrium Home Premium, Revo Pro, Screenspresso Pro
  • Like
Reactions: OAT
This isn't a FF thing, it's an OS thing.

Idk why you would want that but changing the owner of C:\ in (properties->security tab) from TrustedInstaller to Administrators (w/ full control) outta do it.
This is not the way to go at all and I strongly discourage doing it that way.
If you really want to save something on C: disable UAC. It should be done temporarily.

Ideally you should partition your drive and keep the OS alone on C: drive.
Create a new partition using whatever letter you like for your new drive and dump your downloads there.
 

My Computers

System One System Two

  • OS
    All Branches but Release
    Computer type
    Laptop
    Manufacturer/Model
    Acer Nitro ANV15-51
    CPU
    AMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 2
    Motherboard
    Sportage_RBH
    Memory
    32 GB DDR5
    Graphics Card(s)
    Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB GDDR6
    Sound Card
    AMD/Realtek(R) Audio
    Monitor(s) Displays
    Integrated Monitor (15.3"vis)
    Screen Resolution
    FHD 1920X1080 16:9 144Hz
    Hard Drives
    KINGSTON OM8SEP4512Q-AA 1TB
    Western Digital 256GB
    PSU
    19V DC 6.32 A 120 W
    Cooling
    Dual Fans
    Mouse
    MS Bluetooth
    Internet Speed
    Fiber 1GB Cox -us & 1GB Orange-fr
    Browser
    Edge Canary- Firefox Nightly-Chrome Dev-Chrome Dev
    Antivirus
    Windows Defender
  • Operating System
    Windows 11 Beta
    Computer type
    Laptop
    Manufacturer/Model
    Asus X751BP
    CPU
    AMD A9-9420
    Memory
    8 GB of DDR4
    Graphics card(s)
    AMD Radeon R5
    Screen Resolution
    1600x900
    Hard Drives
    Seagate 1 TB
I have used a C:\Temp as a default download location for Firefox since the dawn of time...
works great... or set it to the download folder MS creates when you install the OS...
 

My Computers

System One System Two

  • OS
    Windows 11 Pro (x64)(v25H2)(26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    [Self-built](custom-build)(June 2020)
    CPU
    AMD Ryzen 9 3900X 12-Core/24-threads
    Motherboard
    Asus PRIME X570-PRO (BIOS_r5044 [01/04/2026])
    Memory
    64GB, 2x G.Skill 32GB (PC3200)(DDR4-2137)
    Graphics Card(s)
    ASUS PRIME GeForce RTX 5070 12GB OC Edition, GPU by NVIDIA.
    Sound Card
    Realtek® ALC1220A 8-Channel High Definition Audio CODEC
    Monitor(s) Displays
    24" DELL Gaming Monitor - G2422HS - DisplayPort used
    Screen Resolution
    1920x1080p at 165Hz (16:9 Aspect Ratio)
    Hard Drives
    2TB Samsung 980 Pro (NVMe)(SSD)
    4TB Samsung 990 Pro (NVMe)(SSD)
    2TB Samsung 870 EVO (SSD)

    NVMe 2TB
    -- OS(Win11 Pro x64),
    -- programs,
    -- programming(MS Visual Studios 2022 Community Ed.),
    -- music

    NVMe 4TB
    video game installs.

    #3 FILE Server!
    PSU
    Thermaltake TOUGHPOWER DPS G RGB Titanium Certified 1250Watt
    Case
    Corsair Graphite Series 780T Full Tower PC Case
    Cooling
    AMD Wraith cooler (stock) & 3x Corsair case fans
    Keyboard
    Redragon K580 VATA RGB LED Backlit Mechanical Gaming Keyboard (brown switches).
    Mouse
    Redragon M602 RGB Wired USB Gaming mouse
    Internet Speed
    2,100Mbps Download, 300Mbps Upload
    Browser
    Firefox & Google Chrome
    Antivirus
    n/a aka "ABOVE TOP SECRET!" lol ;)
    Other Info
    My System is the ULTIMATE GAMING RIG ^_^
    TP-Link BE9300 Tri-Band Wi-Fi 7 Wireless 2.5Gigabit Router
    Model Archer BE550 (v1.0)
    Arris S34 Cable Modem
    Nvidia GFX Drivers: (v596.49)
    Realtek UAD Drivers: (v6.0.9977.1)
    Realtek LAN Drivers:(v1125.29.50.202)(2026-04-19)
    Intel LAN Drivers: (v14.01.24.00)(2025-10-03)
  • Operating System
    Windows 11 Pro x64
    Computer type
    Laptop
    Manufacturer/Model
    DELL G15 Ryzen edition, model 5515
    CPU
    AMD Ryzen 7 5800H
    Motherboard
    DELL G15 Ryzen edition
    Memory
    32GB GSkill DDR4 2x 16GB sticks
    Graphics card(s)
    Ryzen 7 5800H integrated AMD Radeon Graphics and Nvidia GeForce 3060 6GB
    Sound Card
    Realtek ALC3254 with Nahimic 3D Audio for Gamers
    Monitor(s) Displays
    built-in
    Screen Resolution
    1920x1080
    Hard Drives
    512GB NVMe SSD, 1TB Samsung 970 EVO NVMe SSD
    PSU
    unknown
    Case
    laptop
    Keyboard
    built-in
    Mouse
    Logitech B100 USB
    Internet Speed
    2,100Mbps download, 300Mbps upload
    Browser
    Firefox & Google Chrome
I didn't say it was a good idea, in fact i said "idk why u would want to"

But i'm here to help...not question why.
 

My Computer

System One

  • OS
    Windows 11
Agreed with the last few comments.

Do not download to root of C:\ and Do not take ownership of C:\.
 

My Computers

System One System Two

  • OS
    Windows 11 23H2 Current build
    Computer type
    PC/Desktop
    Manufacturer/Model
    HomeBrew
    CPU
    AMD Ryzen 9 3950X
    Motherboard
    MSI MEG X570 GODLIKE
    Memory
    4 * 32 GB - Corsair Vengeance 3600 MHz
    Graphics Card(s)
    EVGA GeForce RTX 3080 Ti XC3 ULTRA GAMING (12G-P5-3955-KR)
    Sound Card
    Realtek® ALC1220 Codec
    Monitor(s) Displays
    2x Eve Spectrum ES07D03 4K Gaming Monitor (Matte) | Eve Spectrum ES07DC9 4K Gaming Monitor (Glossy)
    Screen Resolution
    3x 3840 x 2160
    Hard Drives
    3x Samsung 980 Pro NVMe PCIe 4 M.2 2 TB SSD (MZ-V8P2T0B/AM) } 3x Sabrent Rocket NVMe 4.0 1 TB SSD (USB)
    PSU
    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Platinum
    Case
    Fractal Design Define 7 XL Dark ATX Full Tower Case
    Cooling
    Arctic Liquid Freezer III 420 RGB + Air 3x 140mm case fans (pull front) + 1x 120 mm (push back) and 1 x 120 mm (pull bottom)
    Keyboard
    SteelSeries Apex Pro Wired Gaming Keyboard
    Mouse
    Logitech MX Master 3S | MX Master 3 for Business
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
    Browser
    Nightly (default) + Firefox (stable), Chrome, Edge , Arc
    Antivirus
    Defender + MB 5 Beta
  • Operating System
    ChromeOS Flex Dev Channel (current)
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E5470
    CPU
    Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2501 Mhz, 2 Core(s), 4 Logical Processor(s)
    Motherboard
    Dell
    Memory
    16 GB
    Graphics card(s)
    Intel(R) HD Graphics 520
    Sound Card
    Intel(R) HD Graphics 520 + RealTek Audio
    Monitor(s) Displays
    Dell laptop display 15"
    Screen Resolution
    1920 * 1080
    Hard Drives
    Toshiba 128GB M.2 22300 drive
    INTEL Cherryville 520 Series SSDSC2CW180A 180 GB SATA III SSD
    PSU
    Dell
    Case
    Dell
    Cooling
    Dell
    Keyboard
    Dell
    Mouse
    Logitech MX Master 3S (shared w. Sys 1) | Dell TouchPad
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
C:\ is restricted for good reason. If you can download to C:\ then so can malware!
 

My Computers

System One System Two

  • OS
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Acer Aspire 3 A315-23-R9VY
    CPU
    AMD Athlon Silver 3050U
    Memory
    8GB
    Graphics Card(s)
    Radeon Graphics
    Monitor(s) Displays
    laptop screen
    Screen Resolution
    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
    Hard Drives
    1TB Samsung EVO 870 SSD (from April 2026: 250GB EVO 850)
    Internet Speed
    150 Mbps
    Browser
    Edge, Firefox
    Antivirus
    Defender
    Other Info
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October 2021 it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update, 24H2 on 3rd October 2024 through Windows Update by setting the Target Release Version for 24H2, and 25H2 on 30th September 2025 through Windows Update by setting the Target Release Version for 25H2.

    UPDATE - 11 April 2026: due to mechanical deterioration this PC has been retired from active duty. The OS with all software and files has been migrated to my System Seven below to carry on as my general purpose 'main machine'.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Dev, and Canary builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine.
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E4310
    CPU
    Intel® Core™ i5-520M
    Motherboard
    0T6M8G
    Memory
    8GB
    Graphics card(s)
    (integrated graphics) Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    500GB Crucial MX500 SSD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround. In-place upgrade to 22H2 using ISO and a workaround. Feature Update to 23H2 by manually installing the Enablement Package. In-place upgrade to 24H2 using hybrid 23H2/24H2 install media. Upgraded to 25H2 by Enablement Package. Also running Insider Dev, and Canary builds and Windows 10 as native boot .vhdx.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Dev, and Canary builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine.
I have used a C:\Temp as a default download location for Firefox since the dawn of time...
works great... or set it to the download folder MS creates when you install the OS...
I have a different approach: I try to keep C: for the OS only, as far as I can. My main disk is partitioned as C: and D:, and all my downloads go to D:\AATemp (the double A keeps it at the top of the listing in FExp), all of my apps and utilities are there on D:, and the caches for my two active browsers are there, too. Most of the writing and over-writing of data on this machine thus happens on D:, not on C:. I use a second internal disk for storage and backups, and externals for copies of images and important data.
 

My Computers

System One System Two

  • OS
    11 Pro 24H2 26100.2454
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 24H2 26100.2454
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
I have a different approach: I try to keep C: for the OS only, as far as I can. My main disk is partitioned as C: and D:, and all my downloads go to D:\AATemp (the double A keeps it at the top of the listing in FExp), all of my apps and utilities are there on D:, and the caches for my two active browsers are there, too. Most of the writing and over-writing of data on this machine thus happens on D:, not on C:. I use a second internal disk for storage and backups, and externals for copies of images and important data.
I do too. I use a separate HDD to store all of my installer backups etc...
I just use C:\Temp as from the good old days of DOS and Windows early days...
 

My Computers

System One System Two

  • OS
    Windows 11 Pro (x64)(v25H2)(26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    [Self-built](custom-build)(June 2020)
    CPU
    AMD Ryzen 9 3900X 12-Core/24-threads
    Motherboard
    Asus PRIME X570-PRO (BIOS_r5044 [01/04/2026])
    Memory
    64GB, 2x G.Skill 32GB (PC3200)(DDR4-2137)
    Graphics Card(s)
    ASUS PRIME GeForce RTX 5070 12GB OC Edition, GPU by NVIDIA.
    Sound Card
    Realtek® ALC1220A 8-Channel High Definition Audio CODEC
    Monitor(s) Displays
    24" DELL Gaming Monitor - G2422HS - DisplayPort used
    Screen Resolution
    1920x1080p at 165Hz (16:9 Aspect Ratio)
    Hard Drives
    2TB Samsung 980 Pro (NVMe)(SSD)
    4TB Samsung 990 Pro (NVMe)(SSD)
    2TB Samsung 870 EVO (SSD)

    NVMe 2TB
    -- OS(Win11 Pro x64),
    -- programs,
    -- programming(MS Visual Studios 2022 Community Ed.),
    -- music

    NVMe 4TB
    video game installs.

    #3 FILE Server!
    PSU
    Thermaltake TOUGHPOWER DPS G RGB Titanium Certified 1250Watt
    Case
    Corsair Graphite Series 780T Full Tower PC Case
    Cooling
    AMD Wraith cooler (stock) & 3x Corsair case fans
    Keyboard
    Redragon K580 VATA RGB LED Backlit Mechanical Gaming Keyboard (brown switches).
    Mouse
    Redragon M602 RGB Wired USB Gaming mouse
    Internet Speed
    2,100Mbps Download, 300Mbps Upload
    Browser
    Firefox & Google Chrome
    Antivirus
    n/a aka "ABOVE TOP SECRET!" lol ;)
    Other Info
    My System is the ULTIMATE GAMING RIG ^_^
    TP-Link BE9300 Tri-Band Wi-Fi 7 Wireless 2.5Gigabit Router
    Model Archer BE550 (v1.0)
    Arris S34 Cable Modem
    Nvidia GFX Drivers: (v596.49)
    Realtek UAD Drivers: (v6.0.9977.1)
    Realtek LAN Drivers:(v1125.29.50.202)(2026-04-19)
    Intel LAN Drivers: (v14.01.24.00)(2025-10-03)
  • Operating System
    Windows 11 Pro x64
    Computer type
    Laptop
    Manufacturer/Model
    DELL G15 Ryzen edition, model 5515
    CPU
    AMD Ryzen 7 5800H
    Motherboard
    DELL G15 Ryzen edition
    Memory
    32GB GSkill DDR4 2x 16GB sticks
    Graphics card(s)
    Ryzen 7 5800H integrated AMD Radeon Graphics and Nvidia GeForce 3060 6GB
    Sound Card
    Realtek ALC3254 with Nahimic 3D Audio for Gamers
    Monitor(s) Displays
    built-in
    Screen Resolution
    1920x1080
    Hard Drives
    512GB NVMe SSD, 1TB Samsung 970 EVO NVMe SSD
    PSU
    unknown
    Case
    laptop
    Keyboard
    built-in
    Mouse
    Logitech B100 USB
    Internet Speed
    2,100Mbps download, 300Mbps upload
    Browser
    Firefox & Google Chrome
I split my install to move the entire \Users tree to a separate physical drive (Using @Kari's great tutorial during Windows install), and have all my portable programs, game installs, and VMs on a third physical drive. Makes for some good parallel data access lol.

I use the default Downloads folder in my User profile on the second physical drive.
 

My Computers

System One System Two

  • OS
    Windows 11 23H2 Current build
    Computer type
    PC/Desktop
    Manufacturer/Model
    HomeBrew
    CPU
    AMD Ryzen 9 3950X
    Motherboard
    MSI MEG X570 GODLIKE
    Memory
    4 * 32 GB - Corsair Vengeance 3600 MHz
    Graphics Card(s)
    EVGA GeForce RTX 3080 Ti XC3 ULTRA GAMING (12G-P5-3955-KR)
    Sound Card
    Realtek® ALC1220 Codec
    Monitor(s) Displays
    2x Eve Spectrum ES07D03 4K Gaming Monitor (Matte) | Eve Spectrum ES07DC9 4K Gaming Monitor (Glossy)
    Screen Resolution
    3x 3840 x 2160
    Hard Drives
    3x Samsung 980 Pro NVMe PCIe 4 M.2 2 TB SSD (MZ-V8P2T0B/AM) } 3x Sabrent Rocket NVMe 4.0 1 TB SSD (USB)
    PSU
    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Platinum
    Case
    Fractal Design Define 7 XL Dark ATX Full Tower Case
    Cooling
    Arctic Liquid Freezer III 420 RGB + Air 3x 140mm case fans (pull front) + 1x 120 mm (push back) and 1 x 120 mm (pull bottom)
    Keyboard
    SteelSeries Apex Pro Wired Gaming Keyboard
    Mouse
    Logitech MX Master 3S | MX Master 3 for Business
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
    Browser
    Nightly (default) + Firefox (stable), Chrome, Edge , Arc
    Antivirus
    Defender + MB 5 Beta
  • Operating System
    ChromeOS Flex Dev Channel (current)
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E5470
    CPU
    Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2501 Mhz, 2 Core(s), 4 Logical Processor(s)
    Motherboard
    Dell
    Memory
    16 GB
    Graphics card(s)
    Intel(R) HD Graphics 520
    Sound Card
    Intel(R) HD Graphics 520 + RealTek Audio
    Monitor(s) Displays
    Dell laptop display 15"
    Screen Resolution
    1920 * 1080
    Hard Drives
    Toshiba 128GB M.2 22300 drive
    INTEL Cherryville 520 Series SSDSC2CW180A 180 GB SATA III SSD
    PSU
    Dell
    Case
    Dell
    Cooling
    Dell
    Keyboard
    Dell
    Mouse
    Logitech MX Master 3S (shared w. Sys 1) | Dell TouchPad
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
New Firefox Beta version 120.0b2 released. See first post for more details. :-)
 

My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
New Firefox Beta version 120.0b3 released. See first post for more details. :-)
 

My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
That won't work. The root of the C:\ drive is protected, you need to use admin rights to put a file there. And you don't get prompted to use your admin rights when downloading in Firefox.

View attachment 75202
I make firefox shortcut run always as admin.
Maybe it work for firefox. I will check it father.
 

My Computer

System One

  • OS
    Windows 7 and 11 and 12
    Computer type
    PC/Desktop
    Browser
    Firefox
This isn't a FF thing, it's an OS thing.

Idk why you would want that but changing the owner of C:\ in (properties->security tab) from TrustedInstaller to Administrators (w/ full control) outta do it.
How i can make oparating sysyem LET ME put files at the rood of c:.
As i see if i try to copy a file from other hdd to root c: win11 let me do it.
But how i can make system let all programs do that?
 

My Computer

System One

  • OS
    Windows 7 and 11 and 12
    Computer type
    PC/Desktop
    Browser
    Firefox
New Firefox Beta version 120.0b4 released. See first post for more details. :-)
 

My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
How i can make oparating sysyem LET ME put files at the rood of c:.
I do this everytime whenever there is a new build of Windows 11 / Office 2021,

1.png
The highlighted files are just copied from a source folder and pasted into (C:) Windows 11 Pro.

When you install Frefox, you can specify which partition / folder to install it to.

1.png
 
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My Computer

System One

  • OS
    Windows 11 Pro 25H2 (Build 26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Pro Max Tower T2 FCT2250
    CPU
    Intel Core Ultra 9 285 5.6 GHz
    Motherboard
    64-bit operating system, x64-based processor
    Memory
    32.00 GB
    Graphics Card(s)
    Intel Integrated Graphics (128 MB)
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    Dell P2714H Monitor
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
    1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
    1 x 1TB Seagate STGX4000400 External HDD
    1 x 4TB Seagate STGX4000400 External HDD
    1 x 6TB WD Elements AE 2689 External HDD
    PSU
    500 Watts
    Cooling
    Air
    Keyboard
    Microsoft Wired Keyboard 600
    Mouse
    Microsoft USB Basic Optical Mouse v2.0
    Browser
    Firefox
    Antivirus
    Windows Defender + Malwarebytes Premium
    Other Info
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 022RY57
    BaseBoard Version A01
After recent update to 119.0 my pop up menus became white although my other menus, like File, Edit, View and other remains dark. For example, click on upper right hamburger menu or fill some credentials when save password menu pops up, it is white although it was dark in previous versions. Is ti something done by purpose or it can be setup somehow?

It is not a big deal, just something I use to have here and want to keep it that way.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 9 5900XT
    Motherboard
    Gigabyate B550 Aorus Elite V2
    Memory
    32Gb
    Graphics Card(s)
    AMD Radeon R9 280
    Sound Card
    SoundBlaster Z
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