Microsoft has released the KB5063709 cumulative update for Windows 10 22H2 and Windows 10 21H2, with seven fixes or changes, including a fix for a bug that prevented enrollment in extended security updates.
The Windows 10 KB5063709 update is mandatory as it contains Microsoft's July 2025 Patch Tuesday security updates, which fix one zero-day vulnerability and 136 other flaws.
Windows users can install this update by going into Settings, clicking on Windows Update, and manually performing a 'Check for Updates.'
However, as this update is mandatory, it will automatically start installing in Windows once you check for updates. To make this more manageable, you can schedule a time when your computer is restarted to finish the installation.
Windows 10 KB5063709 update
Source: BleepingComputer
After installing this update, Windows 10 22H2 will be updated to build 19045.6216, and Windows 10 21H2 will be updated to build 19044.6216.
Windows 10 users can also manually download and install the KB5063709 update from the Microsoft Update Catalog.
What's new in Windows 10 KB5063709
As Windows 10 nears the end of its life in October 2025, Microsoft is mainly focusing on minor bug fixes and improvements to the operating system. However, this cumulative update fixes a significant bug that prevented users from enrolling in extended security updates.
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