Windows 11 KB5066835 Update
Windows 11 KB5066835 is now available for Windows 11 versions 25H2 and 24H2, as part of Microsoft's October 2025 Patch Tuesday.
This mandatory security update brings new features, including the AI Actions shortcut in File Explorer, support for the Notification Center on secondary monitors, and the ability to move volume or brightness indicators.
- AI Actions shortcut in File Explorer
- Notification Center support on secondary monitors
- Movable volume or brightness indicators
Microsoft has also provided direct download links for KB5066835 offline installers (.msu) for users who prefer to update manually.
Windows 11 KB5066835 is a mandatory security update shipping as part of Microsoft’s October 2025 Patch Tuesday.
Author's summary: Windows 11 KB5066835 update adds new features and security patches.