Insider KB5101677 Windows 11 Insider Beta (26H1) build 28020.2623 - July 31

Windows 11 Insider Beta (26H1) build 28020.2731 - Aug. 17

Windows Insider Blog: Source: https://learn.microsoft.com/en-us/windows-insider/release-notes/beta-26h1/preview-build-28020-2731 Check Windows Updates UUP Dump: 64-bit ISO download: https://uupdump.net/selectlang.php?id=550f25cd-469b-4c98-999c-b2d663f9f56a ARM64 ISO download...

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Changes and improvements gradually being rolled out*​

• This update includes a small set of general improvements and fixes that improve the overall experience for Insiders running this build on their PCs.

[Windows Update]​

• As announced in the Windows Update announce blog, we are now bringing a new unified update experience to reduce the number of reboots you see per month. We are starting by coordinating driver, .NET, and firmware updates to align with the monthly quality update, reducing the update experience to a single monthly restart. See the blog for more information.
• We're also adding the ability to extend update pauses as many times as you need.
  
  
  

  Pause and Resume Updates for Windows 11

  This tutorial will show you how to pause and resume updates for Windows 11. Windows Update keeps Windows 11 updated by automatically downloading and installing the latest updates, drivers, and hotfixes released by Microsoft. If you have a Windows Insider build of Windows 11 installed, you can...

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[Certificate renewal for Windows Insiders]​

• This build includes the renewed Windows Insider flight certificate. Windows Insider Preview builds use flight certificates that are renewed periodically to help ensure Insider devices remain on supported builds and continue receiving future Insider Preview updates. The current flight certificate expires on August 11, 2026, so please update your device to this build or a later one containing the renewed flight certificate before that date.
• For more information, see aka.ms/WIPCertExpiry.
  
  
  

  Windows Insider Preview certificate renewal - Expiration: Aug 11, 2026

  Microsoft Learn: What's happening Windows Insider Preview builds are code-signed with flight certificates used to securely sign Insider Preview builds and encourage devices to stay on up-to-date, supported versions of Windows. The current certificates are expiring on August 11, 2026, so we're...

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  Check Evaluation Expiration Date of Windows 11 Insider Preview Build

  This tutorial will show you how to check the evaluation copy expiry date and time information for your Windows 11 Insider preview build. Windows 11 Insider builds have an expiration date. You will need to keep your Insider build updated to prevent it from expiring. You will see a notification...

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[Touchpad]​

• We're adding new gesturing-related functionality to precision touchpads in Settings. The new features should be widely available across applications, with the exception that WinUI3-based UI requires new WinAppSDK versions for complete functionality. We're in the process of bringing the necessary changes to versions 1.8 and 2.0.
• Scroll and zoom speed: Control the baseline speed for these gestures.
  
  
  

  Change Touchpad Scroll Speed in Windows 11

  This tutorial will show you how to change touchpad scroll speed for your account in Windows 11. Starting with Windows 11 build 26100.8973 (24H2) and build 26200.8973 (25H2), Microsoft is adding new gesturing-related functionality to precision touchpads in Settings. The new features should be...

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  Change Touchpad Zoom Speed in Windows 11

  This tutorial will show you how to change touchpad zoom speed for your account in Windows 11. Starting with Windows 11 build 26100.8973 (24H2) and build 26200.8973 (25H2), Microsoft is adding new gesturing-related functionality to precision touchpads in Settings. The new features should be...

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• Accelerated scrolling: Repeatedly scrolling increases their speed, allowing quick traversal of long documents.
  
  
  

  Turn On or Off Accelerated Scrolling on Touchpad in Windows 11

  This tutorial will show you how to turn on or off accelerated scrolling on the touchpad for your account in Windows 11. Starting with Windows 11 build 26100.8973 (24H2) and build 26200.8973 (25H2), Microsoft is adding new gesturing-related functionality to precision touchpads in Settings. The...

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  Touchpad improvements bring new gesture capabilities including automatic scrolling, gesture speed controls, accelerated scrolling, and optional single-finger scrolling support.

[Taskbar]​

• Alternate Taskbar Position
  • You can now change the position of the taskbar on your screen. In Settings > Personalization > Taskbar > Taskbar behaviors, you can select the side of the screen where you want your taskbar: bottom, top, left, or right. In these other positions, tooltips, flyouts, and animations will still come from the taskbar, and most customization settings, such as never combining taskbar icons, will work with all locations.
    
    
    

    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), build 26220.9022 (Beta 25H2), and build 28020.2623 (Beta 26H1) for Insiders, you can now change the position of...

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  • Support for touch gestures, the Search box, and Ask Copilot in alternate locations is in progress. Auto-hidden and touch-optimized taskbars aren't currently supported. The smaller taskbar is currently supported only for top and bottom positions.
    
    
    Screenshot of the taskbar in the left-aligned position.
• Smaller Taskbar
  • We're introducing a smaller taskbar for users who want to maximize screen space, especially on smaller devices. While the default taskbar remains unchanged, this setting provides a more compact experience with smaller icons and a reduced taskbar height, giving you more room for your apps. Core elements like Start, Search, and the system tray scale appropriately to stay aligned and consistent.
  • To change your taskbar size, go to Settings > Personalization > Taskbar > Taskbar behaviors > Taskbar size. When set to Small, both the icons and the taskbar height become smaller.
    
    
    

    Change Size of Taskbar Icons in Windows 11

    This tutorial will show you how to change when to show small icons on the taskbar for your account, all users, or specific users in Windows 11. Starting with Windows 11 build 26100.4484 (24H2) and build 28120.2387 (Experimental 26H1), Microsoft is rolling out taskbar icon scaling. The taskbar...

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    Side-by-side comparison of the standard and smaller taskbar heights on the same device and resolution, showing the additional screen space gained.

[Storage]​

• This update fixes an issue that affects File History automatic backups to network shares using Server Message Block (SMB). Backups didn't work because Windows showed a false "invalid credentials" error when connecting to SMB shares.

[File Explorer]​

• This update addresses an issue where files stored on a DFS mapped drive could be incorrectly treated as originating from the internet after the device started while disconnected from the network and later reconnected. This could cause File Explorer's Preview pane to display the message, "The file you are attempting to preview could harm your computer," or cause files copied from the DFS drive to receive an unexpected Mark of the Web.

Reminders for Windows Insiders in the Beta (26H1) channel​

• 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 might never get released as we try out different concepts and get feedback. Features might 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 might 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.

Windows 11 Insider Beta (26H1) Preview Build 28020.2623 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2623

learn.microsoft.com

Announcing new builds for 31 July 2026

Hello Windows Insiders, We have new releases today with builds across Beta and Experimental, including refreshed security certificates across all new builds. Renewed Windows Insider flight certificates All builds this week contain

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 (28020.2623) amd64

Select language for Windows 11 Insider Preview Feature Update (28020.2623) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.

uupdump.net

Select language for Windows 11 Insider Preview Feature Update (28020.2623) arm64

Select language for Windows 11 Insider Preview Feature Update (28020.2623) arm64 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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