Insider KB5089507 Windows 11 Insider Beta (25H2) build 26220.8474 - May 15

Windows 11 Insider Beta (25H2) build 26220.8491 - May 22

Windows Insider Blog: Source: Check Windows Updates UUP Dump: 64-bit ISO download: https://uupdump.net/selectlang.php?id=17f308d6-c865-4512-aeac-8aefe0faf3a1 ARM64 ISO download: https://uupdump.net/selectlang.php?id=ddf916bc-48c9-4a56-b4e2-861f7cd588f2...

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Changes and improvements being rolled out​

[Windows Insider channel movement]​

• As announced in the Windows Insider Blog, we will begin moving users in the Beta Channel to the new Beta experience.
  
  
  

  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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[Voice access and Voice typing]​

• Fluid Dictation is now available in Spanish & French for Windows Insiders! It makes voice-based dictation smoother and smarter by automatically correcting grammar, punctuation, and filler words as you speak, reducing the need for manual editing. This experience is powered by on-device small language models (SLMs) to ensure fast and private processing. You can try out fluid dictation from Windows voice access or Voice typing (Win +H).
  
  
  

  Enable or Disable Fluid Dictation in Voice Access on Windows 11

  This tutorial will show you how to turn on or off the fluid dictation feature in voice access for your account on Windows 11 Copilot+ PCs. Voice access in Windows 11 enables everyone, including people with mobility disabilities, to control their PC and author text using their voice. For...

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  Enable or Disable Fluid Dictation in Voice Typing on Windows 11

  This tutorial will show you how to turn on or off the fluid dictation feature in voice typing for your account on Windows 11 Copilot+ PCs. Voice typing allows you to enter text on your PC by speaking. You can use voice typing commands to manually insert punctuation marks. Starting with...

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[File Explorer]​

• Fixed an issue in the previous flight where Properties wasn’t invoking correctly for the Recycle bin and some other scenarios.

[Other]​

• This update improves the reliability of Simple Service Discovery Protocol (SSDP) notifications to help prevent the service from becoming unresponsive.
• Improved reliability of running dism /online /cleanup-image /restorehealth command.
  
  
  

  Repair Windows Image Component Store in Windows 11

  This tutorial will show you how to repair Windows image component store corruption in Windows 11. If a Windows image becomes unserviceable, you can use the DISM (Deployment Imaging and Servicing Management) tool or Repair-WindowsImage cmdlet to update the files and correct the problem. For...

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Known Issues​

[Reset PC]​

• 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.
  
  
  

  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...

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Reminder for Windows Insiders in the Beta Channel​

• Updates are based on Windows 11, version 25H2 via an enablement package (Build 26220.8474).
• 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.

Beta Preview Build 26220.8474 - Windows Insider Program

Release notes for Beta Preview Build 26220.8474

learn.microsoft.com

Announcing new builds for 15 May 2026

Hello Windows Insiders, Today we will be expanding the rollout of the new Windows Insider Program changes to devices in the Beta Channel, which will be moved to the new Beta experience. Please see the announce

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 (26220.8474) amd64

Select language for Windows 11 Insider Preview Feature Update (26220.8474) 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 (26220.8474) arm64

Select language for Windows 11 Insider Preview Feature Update (26220.8474) 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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