Windows Insider Blog:
Changes and improvements gradually being rolled out
[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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[Search]
- Windows Search can now automatically expand its indexing scope based on your activity, using signals like recent files and frequently accessed locations. This helps ensure that relevant files across your device are discoverable without requiring manual indexing configuration.
- To manage this feature, go to Settings > Privacy & security > Search.
Enable or Disable Automatically Find Additional Relevant Search Index Locations in Windows 11
This tutorial will show you how to turn on or off Windows Search indexing to automatically find additional relevant files and locations for your account in Windows 11. Indexing the content of your PC helps you get faster results when your searching it for files, emails, or other local content...
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Automatically expand search to include relevant files based on your activity.
[Phone Link]
- The phone companion experience in Start already helps you keep up with activity from your mobile device. With today's update, you can see even more at a glance.
- Get more from your latest activities: Hover over a recent message or notification in the Recent section to preview its content directly in Start. There's no need to pick up your phone or open the item to see what's new.
- Whether you're checking a message or deciding if a notification needs attention, these updates make it easier to stay informed and keep your focus.
Enable or Disable Mobile Device Notification Previews on Hover in Start Menu on Windows 11
This tutorial will show you how to enable or disable showing full mobile device (phone) notifications when hovering over them in the Start menu for your account in Windows 11. You can directly access content on your mobile device from the Start menu on your PC. Using this feature, you can view...
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Preview messages and notifications from your phone directly in Start by hovering over recent activity. - This experience is gradually rolling out to Insiders on the Experimental channel with a minimum Phone Link build of 1.26021.3.0. Go to Phone Link > Settings > Start menu personalization.
[Settings]
- We've improved search in the Settings app to help you discover and navigate to settings more quickly. Search now surfaces results from more areas within Settings, with improved ranking to help relevant settings appear higher in results.
[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...
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[Start menu]
- Fixed an issue causing the Start menu to crash for some Insiders recently when dragging apps.
[Taskbar]
- Fixed a recent issue where, when the taskbar was in an overflow state, hovering over the preview thumbnail for an app window in the overflow area would immediately dismiss it.
[File Explorer]
- File Explorer Home now preserves the state of sections (expanded or collapsed), so you can pick up where you left off.
- We've addressed an issue that caused the address bar contents to be cleared when entering edit mode by clicking near the right end of the bar.
- We've improved the reliability of File Explorer when dragging files to a disconnected network drive.
- 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.
[Windows Spotlight]
- Made some underlying changes to help improve reliability for Windows Spotlight on the lock screen.
[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.
Reminders for Windows Insiders in the Experimental channel
- Updates are based on Windows 11, version 26H2 via an enablement package (Build 26300.9032).
- Many features are rolled out using Controlled Feature Rollout technology, starting with a subset of Insiders and ramping up over time. 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 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.
Source:
Windows 11 Insider Experimental Preview Build 26300.9032 - Windows Insider Program
Release notes for Windows 11 Insider Experimental Preview Build 26300.9032
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
UUP Dump:
64-bit ISO download:
Select language for Windows 11 Insider Preview Feature Update (26300.9032) amd64
Select language for Windows 11 Insider Preview Feature Update (26300.9032) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
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ARM64 ISO download:
Select language for Windows 11 Insider Preview Feature Update (26300.9032) arm64
Select language for Windows 11 Insider Preview Feature Update (26300.9032) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
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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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