September 26, 2023—KB5030310 (OS Build 22621.2361) Preview

September 26, 2023—KB5030310 OS Build 22621.2361 Preview For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 11, version 22H2, see its update history page. Note Follow @WindowsUpdate ...

March 19, 2019—KB4489894 (OS Build 17134.677)

March 19, 2019—KB4489894 OS Build 17134.677 Reminder: March 12th and April 9th will be the last two Delta updates for Windows 10, version 1803. Security and quality updates will continue to be available via the express and full cumulative update packages. For more information on this change pleas...

March 1, 2019—KB4482887 (OS Build 17763.348)

March 1, 2019—KB4482887 OS Build 17763.348 Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Enables “Retpoline" for Windows on certain devices, which may improve performance of Spectre...