To reflect this change, the release notes for Windows 10, version 1903 and Windows 10, version 1909 will share an update history page. Each release page will contain a list of addressed issues for both 1903 and 1909 versions.

On the left side of this page, you can find a list of all the cumulative updates for .NET Framework that were released for this version of Windows. You can also find more information about releases and any known issues.

This standalone security update has been removed due to an issue affecting a sub-set of devices. It will not be re-offered from Windows Update, Windows Server Update Services (WSUS) or Microsoft Update Catalog.

On the left side of this page, you can find a list of all the cumulative updates for .NET Framework that were released for this version of Windows. You can also find more information about releases and any known issues.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11.

Learn what it means if you have an older version of Windows that's no longer supported.

On the left side of this page, you can find a list of all the cumulative updates for .NET Framework that were released for this version of Windows. You can also find more information about releases and any known issues.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11.

Use the following table to check for any of the listed updates (except the ones marked as "Does not contain MS17-010 patch"). If any of these is installed, MS17-010 is installed.

Welcome to Windows 11! Learn about new features, upgrade FAQs, device lifecycles, and support options.