Insider KB5089569 Windows 11 Insider Experimental (25H2) build 26300.8553 - May 29



 Windows Insider Blog:

As a reminder, these release notes apply to those who are in the Experimental channel, formerly known as the Dev Channel. As we begin the transition to the new Windows Insider Program, all new build release notes will be labeled under the new channel names, even though Insiders in the Dev Channel may not yet find themselves having transitioned to Experimental. See the Windows Insider Blog for more details.

www.elevenforum.com

Microsoft improving your Windows Insider experience for Windows 11

Windows Insider Blog: Hello Windows Insiders, Today is the day we’re beginning to move to the new Experimental and Beta channels as announced earlier this month. As a reminder, most Insiders, those who are in the Dev and Beta channels today will transition to the new channels over time as...
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www.elevenforum.com

Enable or Disable Get Latest Updates as soon as available in Windows 11

This tutorial will show you how to turn on or off "Get the latest updates as soon as they are available" in Windows 11. Starting with Windows 11 build 22621.1635, Microsoft added a new "Get the latest updates as soon as they are available" toggle under Settings > Windows Update. When you turn...
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Changes and improvements gradually being rolled out​

[Start menu]​

This update brings a number of improvements for the Start menu as first outlined in the Making Taskbar and Start more personal Insider blog. This includes:
  • Renamed "Recommended" section to "Recent" in Start and Settings page
  • Section-level toggles to independently show or hide Pinned, Recommended, and All.

    www.elevenforum.com

    Add or Remove Pinned Section on Start Menu in Windows 11

    This tutorial will show you how to add or remove the Pinned apps section on the Start menu for your account in Windows 11. The Start menu is comprised of three sections: Pinned, All apps, and Recent (aka: Recommended). The section at the top of the Start menu is called the Pinned section. This...
    www.elevenforum.com www.elevenforum.com
    www.elevenforum.com

    Add or Remove Recommended Section on Start Menu in Windows 11

    This tutorial will show you how to add or remove the Recommended (Recent) section from the Start Menu for your account, specific users, or all users in Windows 11. The Start menu in Windows 11 is comprised of three sections: Pinned, All apps, and Recommended. The Recommended section on the...
    www.elevenforum.com www.elevenforum.com
    www.elevenforum.com

    Add or Remove Recently Added apps on Start Menu in Windows 11

    This tutorial will show you how to add or remove recently added apps on the Start menu Recommended section for your account or all users in Windows 11. The Start menu is comprised of three sections: Pinned, All apps, and Recommended. The Start menu contains shortcuts of all your apps...
    www.elevenforum.com www.elevenforum.com
    www.elevenforum.com

    Hide or Show Recent Files on Start Menu in Windows 11

    This tutorial will show you how to add (show) or remove (hide) recent files on the Start menu for your account in Windows 11. The Start menu in Windows 11 is comprised of three sections: Pinned, All apps, and Recommended. The Recommended section on the Start menu shows a list of your recently...
    www.elevenforum.com www.elevenforum.com
    www.elevenforum.com

    Enable or Disable Recommended Tips, Shortcuts, New Apps, and more on Start Menu in Windows 11

    This tutorial will show you how to turn on or off showing recommended tips, shortcuts, new apps, and more on the Start menu for your account in Windows 11. The Start menu is comprised of three sections: Pinned, All apps, and Recommended. Starting with at least Windows 11 build 25346 (Canary)...
    www.elevenforum.com www.elevenforum.com
    www.elevenforum.com

    Add or Remove All Apps Section on Start Menu in Windows 11

    This tutorial will show you how to add or remove the All apps section on the Start menu for your account, specific users, or all users in Windows 11. The Start menu is comprised of three sections: Pinned, All apps, and Recommended. The All apps section on the Start menu shows all your...
    www.elevenforum.com www.elevenforum.com
  • Choose between a small and large Start menu, in addition to "Automatic (default)" setting option that's already available today

    www.elevenforum.com

    Change Start Menu Size in Windows 11

    This tutorial will show you how to change the size of the Start Menu for your account in Windows 11. The Start menu is comprised of three sections: Pinned, All apps, and Recent. Starting with Windows 11 build 26300.8553 (Experimental 25H2) for Insiders, you can now choose between a small and...
    www.elevenforum.com www.elevenforum.com
  • The option to hide your name and profile picture in Start

    www.elevenforum.com

    Hide or Show Account Name and Profile Picture on Start Menu in Windows 11

    This tutorial will show you how to turn on or off hiding your account name and profile picture on the Start menu for your account in Windows 11. The Start menu is comprised of three sections: Pinned, All apps, and Recent. Starting with Windows 11 build 26300.8553 (Experimental 25H2) for...
    www.elevenforum.com www.elevenforum.com
  • Redesigned Start menu settings page
Screenshot showing new start menu customization options

Screenshot showing new start menu customization options.

Feedback: Share your thoughts in Feedback Hub (WIN + F) under Desktop Environment > Start

[Search]​

  • Search by Substring: Files with compound names or content (e.g., MeetingNotesApril, ProjectStatusReport) are now easily discoverable by typing “april” or “status”.

[Taskbar]​

  • Fixed a few small visual polish issues when using the taskbar in alternate positions. Thanks Insiders that have been sharing feedback so far!
  • You can now use a touch swipe to invoke the taskbar when using alternate taskbar positions.

    www.elevenforum.com

    Change Taskbar Position on Screen in Windows 11

    This tutorial will show you how to change the taskbar position to any edge of the screen for your account in Windows 11. Starting with Windows 11 build 26300.8493 (Experimental 25H2), you can now change the position of taskbar on your screen. You can select the side of the screen you want your...
    www.elevenforum.com www.elevenforum.com

Known Issues​

[Reset PC]​

  • [Fixed] Resetting your PC may get stuck when using "Reset this PC." To complete the reset successfully, choose the cloud download option (Cloud PBR) instead of local.

    www.elevenforum.com

    Reset Windows 11 PC

    This tutorial will show you how to reset Windows 11 and Remove everything or Keep my files. You can reset Windows 11 when your PC isn’t working well and it’s been a while since you installed an app, driver, or update. Resetting reinstalls Windows 11, but lets you choose whether to keep your...
    www.elevenforum.com www.elevenforum.com

Reminders for Windows Insiders in the Experimental channel​

  • Updates are based on Windows 11, version 25H2 via an enablement package (Build 26300.8553).
  • Many features are rolled out using Controlled Feature Rollout technology, starting with a subset of Insiders and ramping up over time as we monitor feedback to see how they land before pushing them out to everyone in this channel.
  • For Windows Insiders who want to be the first to try new features, see the available list of features to toggle on at the Feature flags page under Settings > Windows Update > Windows Insider Program.
  • The desktop watermark shown at the lower right corner of the desktop is normal for Windows Insider pre-release builds.
  • Features and experiences included in these builds may never get released as we try out different concepts and get feedback. Features may change over time, be removed, or replaced and never get released beyond Windows Insiders. Some of these features and experiences could show up in future Windows releases when they're ready.
  • Some features in active development we preview with Windows Insiders may not be fully localized and localization will happen over time as features are finalized. As you see issues with localization in your language, please report those issues to us via Feedback Hub.
  • Check out Flight Hub for a complete look at what build is in which Insider channel.


 Source:

learn.microsoft.com

Windows 11 Insider Experimental Preview Build 26300.8553 - Windows Insider Program

Release notes for Windows 11 Insider Experimental Preview Build 26300.8553
learn.microsoft.com
blogs.windows.com

Announcing new builds for 29 May 2026

Hello Windows Insiders, This week we continue to expand the rollout of the new Windows Insider Program changes to devices in channels already announced. New builds this week Today we are releasing new Windows 11 Insider Preview B
blogs.windows.com blogs.windows.com


Check Windows Updates


ISO from Microsoft:

www.elevenforum.com

Download Official Windows 11 ISO file from Microsoft

This tutorial will show you how to download an official Windows Server or Windows 11 64-bit or ARM64 ISO file from Microsoft. Microsoft provides ISO files for Windows Server and Windows 11 to download. You can use these ISO files to clean install or in-place upgrade Windows 11. The Flight Hub...
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UUP Dump:

64-bit ISO download:
uupdump.net

Select language for Windows 11 Insider Preview Feature Update (26300.8553) amd64

Select language for Windows 11 Insider Preview Feature Update (26300.8553) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net

ARM64 ISO download:
uupdump.net

Select language for Windows 11 Insider Preview Feature Update (26300.8553) arm64

Select language for Windows 11 Insider Preview Feature Update (26300.8553) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net

www.elevenforum.com

UUP Dump - Download Windows Insider ISO

UUP Dump is the most practical and easy way to get ISO images of any Insider Windows 10 or Windows 11 version, as soon as Microsoft has released a new build. UUP Dump creates a download configuration file according to your choices, downloads necessary files directly from Microsoft servers, and...
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Last edited:
  • Like
Reactions: OAT
Click to expand...

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
Brink said:
They meant for the 25H2 Experimental (aka: Dev). :p
Click to expand...
Don't want to be the Monday quarterback here but frankly, the change of appellations has led to a lot of confusion.
Both on the user side and on the Dev. side, I'm sure.
It wasn't needed but since each new manager feels the need to stamp his authority on things, a change of branch/channel name happened as it is the easiest thing to do in order to give the impression that you are doing something.
Superficial changes such as these do not address the core issues and lead to mistakes.
 

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
OAT said:
Don't want to be the Monday quarterback here but frankly, the change of appellations has led to a lot of confusion.
Both on the user side and on the Dev. side, I'm sure.
It wasn't needed but since each new manager feels the need to stamp his authority on things, a change of branch/channel name happened
as it is the easiest thing to do in order to give the impression that you are doing something.
Superficial changes such as these do not address the core issues and lead to mistakes.
Click to expand...

100% agreed. MS should have kept the normal Canary, Beta, Dev, and RP channels, but all on the current version and done away with all the A/B testing.
 

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
  • Like
Reactions: OAT
Brink said:
100% agreed. MS should have kept the normal Canary, Beta, Dev, and RP channels, but all on the current version and done away with all the A/B testing.
Click to expand...
MS should start a new Insider Channel and call It FromScratch Channel and dump all the rest.

First release would only contain bare minimum to get into desktop, a simple file explorer, console, Task Manager and a window manager. Support for launching simple native 32/64-bit apps. Only basic drivers that are verified to work on any device. Even the kernel would be bare minimum to support the mentioned features with no scriptkiddie shells nor AI Slop. That's it.

A really good starting point.

EDIT: Same would apply for Linux. Everything would be optimized properly before moving too far away and bloating everything. Operating systems and apps today do too many extra cycles because they can, but not because they should.
 

My Computers

System One System Two

  • OS
    Win 11 Pro 25H2 26200.8457 / Linux Mint 22.3
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo A485
    CPU
    Ryzen 7 2700U Pro
    Motherboard
    Lenovo (WiFi/BT module upgraded to Intel Wireless-AC-9260)
    Memory
    32GB
    Graphics Card(s)
    iGPU Vega 10
    Sound Card
    Realtek
    Monitor(s) Displays
    14" FHD (built-in) + 14" Lenovo Thinkvision M14t (touch+pen) + 32" Asus PB328
    Screen Resolution
    FHD + FHD + 1440p
    Hard Drives
    Intel 660p m.2 nVME PCIe3.0 x2 512GB
    PSU
    125W(Dock)/65W(Travel Adapter)
    Keyboard
    Thinkpad / Logitech MX Keys
    Mouse
    Logitech MX Master 2S
    Internet Speed
    1/1Gbit
    Browser
    Firefox
    Antivirus
    Windows Defender
    Other Info
    SecureBoot: Enabled
    TPM2.0: Enabled
    AMD-V: Enabled
  • Operating System
    Win 11 Pro 25H2 26200.8521(RP)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    i7-7700k @4.8GHz
    Motherboard
    Asus PRIME Z270-A
    Memory
    32GB 2x16GB 2133MHz CL15
    Graphics card(s)
    EVGA GTX1080Ti FTW 11GB
    Sound Card
    Integrated
    Monitor(s) Displays
    32" 10-bit Asus PB328Q
    Screen Resolution
    WQHD 2560x1440
    Hard Drives
    512GB ADATA SX8000NP NVMe PCIe Gen 3 x4
    PSU
    850W
    Case
    Fractal Design Define 7
    Cooling
    Noctua NH-D15 chromax.black
    Keyboard
    Logitech MX Keys
    Mouse
    Logitech MX Master 2S
    Internet Speed
    1/1Gbit
    Browser
    Firefox
    Antivirus
    Windows Defender
    Other Info
    AC WiFi Card
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