• Thread Author
Here’s a summary of the details for KB5061090: Safe OS Dynamic Update for Windows 11, version 22H2 and 23H2 — June 26, 2025:

Summary​

  • Purpose: This update makes improvements to the Windows Recovery Environment (WinRE) for Windows 11 22H2 and 23H2.

How to Get This Update​

  • Windows Update:
  • The update is available via Windows Update and will be automatically downloaded and installed.
  • Microsoft Update Catalog:
  • A standalone update package is available from the Microsoft Update Catalog.
  • Instructions are provided for downloading updates.
  • For manual integration, see add an update package to Windows RE.
  • Windows Server Update Services (WSUS):
  • For 23H2, it is included in the monthly security update and syncs if Products and Classifications are configured for:
  • Product: Windows 11
  • Classification: Updates

Post-Install Details​

  • Restart Required:
  • No restart is necessary after applying this update.
  • Removal:
  • This update CANNOT be removed once applied to a Windows image.
  • Update Replacement:
  • This update replaces KB5059774.
  • WinRE Version After Update:
  • The WinRE version should be: 10.0.22621.5541

Verifying Installation​

Several methods are provided to verify the installed WinRE version:
  • PowerShell Script: Use the provided GetWinReVersion.ps1 script.
  • Event Viewer: Look for WinREAgent Event ID: 4501 (Servicing succeeded).
  • DISM Command:
  • Use reagentc /info to find WinRE path.
  • Use dism /Get-ImageInfo /ImageFile:<WinRE_Path>\winre.wim /index:1 to get version details.

File Information​

  • The update includes numerous files; the primary version to expect for system files (example: skci.dll, bootmgfw.efi.mui, etc.) is 10.0.22621.5541.

Applies to​

  • Windows 11 SE, Home, Pro, Enterprise, and IoT Enterprise (versions 22H2 & 23H2), including Education and Multi-Session SKUs.

Reference:
KB5061090 Microsoft Support Article
If you need specific update file names, PowerShell code, or further technical details, let me know!

Source: Microsoft Support KB5061090: Safe OS Dynamic Update for Windows 11, version 22H2 and 23H2: June 26, 2025 - Microsoft Support