UPDATE 8/17:
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blogs.windows.com
Check Windows Updates
ISO from Microsoft:
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UUP Dump:
64-bit ISO download:
ARM64 ISO download:
N/A
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Windows 11 Insider Experimental (26H1) build 28120.2738 - Aug. 17
Windows Insider Blog: Source: https://learn.microsoft.com/en-us/windows-insider/release-notes/experimental-26-h1/preview-build-28120-2738 Check Windows Updates UUP Dump: 64-bit ISO download: https://uupdump.net/selectlang.php?id=4b046c03-f440-4f66-ac66-396c1ea86bf6...
www.elevenforum.com
Windows Insider Blog:
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...
www.elevenforum.com
[Adaptive hibernate policy]
- Updates to the adaptive hibernate policy increase instances of instant-on resumes from Modern Standby and increase battery preservation at the low end of the battery. Noticeable changes include less hibernation while the battery is above 80% and hibernating sooner when the battery is below 10%.
Hibernate Computer in Windows 11
This tutorial will show you different ways on how to hibernate your Windows 11 computer. Hibernate was designed for laptops and might not be available for all PCs. (For example, PCs with Modern Standby may not have the hibernate option.) Hibernate uses less power than sleep and when you start...
www.elevenforum.com
[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), build 26200.8973 (25H2), and build 28000.2804 (26H1), Microsoft is adding new gesturing-related functionality to precision touchpads in Settings. The...
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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), build 26200.8973 (25H2), and build 28000.2804 (26H1), Microsoft is adding new gesturing-related functionality to precision touchpads in Settings. The...
www.elevenforum.com
- 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), build 26200.8973 (25H2), and build 28000.2804 (26H1), Microsoft is adding new gesturing-related functionality to precision...
www.elevenforum.com
Touchpad improvements bring new gesture capabilities including automatic scrolling, gesture speed controls, accelerated scrolling, and optional single-finger scrolling support.
[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.
[Input]
- Fixed an issue causing the mouse cursor to blink repeatedly for some Insiders after the latest flights.
- Improved persistence of voice typing settings for automatic punctuation and launcher.
Known issues
[Known app compatibility issue]
PUBG: BATTLEGROUNDS- 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, 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:
Windows 11 Insider Experimental (26H1) Preview Build 28120.2630 - Windows Insider Program
Release notes for Windows 11 Insider Experimental (26H1) Preview Build 28120.2630
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
Check Windows Updates
ISO from Microsoft:
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:
Select language for Windows 11 Insider Preview Feature Update (28120.2630) amd64
Select language for Windows 11 Insider Preview Feature Update (28120.2630) 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:
N/A
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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