The March 2026 Windows non-security preview update is now available

The March 2026 non-security preview update is now available for Windows 11, versions 26H1, 25H2, and 24H2. Information about the contents of this update is available from the release notes, which are accessible from the Windows 11 update history page. To learn more about the different types of monthly quality updates, see Windows monthly updates explained. Looking to explore upcoming features and improvements in Windows 11? Check out the Windows roadmap. It includes what’s coming to the Windows Insider Program, what’s gradually rolling out, and what’s generally available. Highlights for the Windows 11, version 25H2 update:  Narrator now provides rich image descriptions on Copilot+ PCs and works with Copilot on all Windows 11 devices, allowing users to get instant on‑device descriptions or ask Copilot for more detail. This update improves the design of the dialog boxes in Settings > Accounts > Other users to match the modern Windows look and support dark mode. The visibility of the dialog box option depends on whether the device has a domain joined work or school account. This update improves the File Explorer experience, including more reliable unblocking of downloaded files and support for Voice Typing when renaming files. This update delivers several display improvements, including support for refresh rates above 1000 Hz, improved auto‑rotation and HDR reliability, and better power efficiency for USB4‑connected monitors during sleep. For instructions on how to install this update, see the KB for your operating system listed below:  Windows 11, version 26H1: KB5079489 Windows 11, versions 25H2 and 24H2: KB5079391 Message ID: MC1262522

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