Deleting Windows.old and Windows10Upgrade folders in a Windows 11 PC.

Bristolian

Well-known member

Nov 20, 2021

#1

Hello,

I'm on the Dev stream for Windows 11. Can I delete the following folders:- Windows.old, and Windows10Upgrade from my C drive?.

Thanks in advance.

Very Best Wishes,
Bob.

My Computer

System One

OS

Windows 11

Computer type

PC/Desktop

CPU

Intel(R) Core(TM) i5-8600K CPU @ 3.60GHz 3.60 GHz

Motherboard

ROG MAXIMUS X HERO

Memory

16GB

Graphics Card(s)

GeForce GTX 1070

BunnyJ

Python Programmer

Guru

VIP

Nov 20, 2021

#2

Hi..
I would use the cleanmgr via the run command.

My Computer

System One

OS

Windows 11 Home(Beta) - 23H2 - 22635.3495

Computer type

PC/Desktop

Manufacturer/Model

Banana Junior 5600- G Series

CPU

AMD Ryzen 5 5600G

Motherboard

Asus ROG Strix B550-F

Memory

G.SKILL Ripjaws V Series 64GB 4x16

Graphics Card(s)

NVIDIA GeForce GTX TITAN X

Monitor(s) Displays

Viotek 32", 28" ASUS VP28U

Screen Resolution

1080p

Hard Drives

Primary SAMSUNG 970 EVO Plus

PSU

EVGA BQ 700w 80+ Bronze

Case

Zalman i3 NEO

Cooling

ARCTIC Freezer 7 X

Keyboard

Corsair

Mouse

Amazon Generic with Cord

Internet Speed

Download: 295.11 mbps Upload: 65.35 mbps T-Mobile Internet

Browser

Firefox and Edge

Antivirus

MS - Defender

Other Info

Speakers: Klipsch ProMedia 2.1

Bree

Well-known member

Guru

VIP

Nov 20, 2021

#3

Bristolian said:
Can I delete the following folders:- Windows.old, and Windows10Upgrade from my C drive?.

Yes, if you are sure you won't want to go back to your previous Windows. As BunnyJ says, best to use cleanmgr (aka disk cleanup). It's 'clean up system files' option can clean up previous Windows installs.

My Computers

System One System Two

OS

Windows 11 Home

Computer type

Laptop

Manufacturer/Model

Acer Aspire 3 A315-23

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

Internet Speed

50 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 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.

My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB ssd, supported device running Windows 11 Pro (and all my Hyper-V VMs).

My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 4GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Beta as native boot vhdx.

My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 4GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro, plus the Insider Beta, Dev, and Canary builds as a native boot .vhdx.
Operating System

Windows 11 Pro

Computer type

Laptop

Manufacturer/Model

Dell Lattitude 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. Also running Insider Beta, Dev, and Canary builds as a native boot .vhdx.

My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB ssd, supported device running Windows 11 Pro (and all my Hyper-V VMs).

My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 4GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Beta as native boot vhdx.

My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 4GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro, plus the Insider Beta, Dev, and Canary builds as a native boot .vhdx.

Bristolian

Well-known member

Thread Starter

Nov 20, 2021

#4

Thank you :).

My Computer

System One

OS

Windows 11

Computer type

PC/Desktop

CPU

Intel(R) Core(TM) i5-8600K CPU @ 3.60GHz 3.60 GHz

Motherboard

ROG MAXIMUS X HERO

Memory

16GB

Graphics Card(s)

GeForce GTX 1070