Here is a summary of KB5062839: Setup Dynamic Update for Windows 11, version 24H2 and Windows Server 2025 (Released July 22, 2025):
This update makes improvements to Windows setup binaries or any files used for feature updates in:
Official Article: KB5062839 - Microsoft Support
Source: Microsoft Support KB5062839: Setup Dynamic Update for Windows 11, version 24H2 and Windows Server 2025: July 22, 2025 - Microsoft Support
Overview
This update makes improvements to Windows setup binaries or any files used for feature updates in:- Windows 11, version 24H2 (all editions, including SE, Enterprise, Education, Home, Pro, IoT)
- Windows Server 2025
Secure Boot Certificate Expiration Notice
- Secure Boot certificates used by most Windows devices will expire starting June 2026.
- This could affect the ability of some devices to boot securely if not updated.
- Action: Review Microsoft’s guidance and update your certificates in advance to avoid disruption.
- More info: Windows Secure Boot certificate expiration and CA updates
How to Get This Update
1. Windows Update:- The update will be automatically downloaded and installed.
- You can manually download the standalone update package from Microsoft Update Catalog.
- The update synchronizes automatically if WSUS is configured with these settings:
- For Windows 11, version 24H2:
- Product: Windows 11
- Classification: Update
- For Windows Server 2025:
- Product: Microsoft Server operating system-24H2
- Classification: Update
Additional Information
- Prerequisites: None.
- Restart required: No, not required after installation.
- Replacement: This update replaces a previous update KB5062785.
File Information
The update installs several files for both x64 and Arm64 architectures. You can find detailed file lists in the official support article.References
Official Article: KB5062839 - Microsoft Support
Source: Microsoft Support KB5062839: Setup Dynamic Update for Windows 11, version 24H2 and Windows Server 2025: July 22, 2025 - Microsoft Support
