Insider KB5121109 Windows 11 Insider Experimental (26H1) build 28120.2738 - Aug. 17

Windows 11 Insider Experimental (26H1) build 28120.2760 - Aug. 21

Windows Insider Blog: Source: Check Windows Updates UUP Dump: 64-bit ISO download: https://uupdump.net/selectlang.php?id=097da1ce-4bcb-4864-9204-db20ec183dd8 ARM64 ISO download: x https://www.elevenforum.com/t/uup-dump-download-windows-insider-iso.344/

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Changes and improvements gradually being rolled out​

[Windows Management Instrumentation Command-line (WMIC) removal]​

• Windows Management Instrumentation Command-line (WMIC) has been removed in this release. This change is part of the ongoing deprecation and removal of WMIC from Windows.
• For more information about this change, see Windows Management Instrumentation Command-line (WMIC) removal from Windows.
  
  
  

  Add or Remove WMIC command Feature in Windows 11

  This tutorial will show you how to add or remove the WMIC command as an optional feature for all users in Windows 11. The WMI command-line (WMIC) utility provides a command-line interface for Windows Management Instrumentation (WMI). WMIC is compatible with existing shells and utility commands...

  www.elevenforum.com

[Drag Tray]​

• Thank you to Insiders who have provided feedback about the Drag Tray experience. Based on feedback, we're removing the experience in this build. We're continuing to explore improvements in this area and look forward to sharing more about a future replacement experience in a later update.
  
  
  

  Enable or Disable Drop Tray in Windows 11

  This tutorial will show you how to enable or disable the Drag/Drop Tray feature for your account in Windows 11. Starting with Windows 11 build 26100.4202 (24H2) and build 22631.5413 (23H2), sharing files in Windows is getting a lot easier and quicker with the Drag Tray feature. When you start...

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[Settings]​

• Fixed an issue from the previous flight that caused Settings to crash when interacting with System > Notifications.

[Accessibility]​

• Fixed an issue impacting Magnifier launching for some Insiders in the previous flight.

Known issues​

[Known app compatibility issue]​

• Due to a known compatibility issue with PUBG: BATTLEGROUNDS, Windows Insiders might be prevented from launching the game after installing this build. This safeguard has been put in place to help avoid stability issues while we work with the game developer on a fix. We'll share additional details and timing for the resolution as they become available.

Reminder for Windows Insiders in the Experimental (26H1) channel​

• These builds can be unstable and might be released with limited documentation.
• Many features in the Experimental (26H1) channel 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.
• The desktop watermark shown at the lower right corner of the desktop is normal for Windows Insider pre-release builds.
• Some features in active development we preview with Windows Insiders might not be fully localized, and localization will happen over time as features are finalized. As you see issues with localization in your language, report those issues to us via Feedback Hub.
• Check out Flight Hub for a complete look at what build is in which Insider channel.

Windows 11 Insider Experimental (26H1) Preview Build 28120.2738 - Windows Insider Program

Release notes for Windows 11 Insider Experimental (26H1) Preview Build 28120.2738

learn.microsoft.com

Announcing new builds for 17 August 2026

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta and Experimental Channels. This post also includes reminders about renewed flight certificates and the current Feature Flags settings issue in the Exp

blogs.windows.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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Select language for Windows 11 Insider Preview Feature Update (28120.2738) amd64

Select language for Windows 11 Insider Preview Feature Update (28120.2738) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.

uupdump.net

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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