March 2024 security update is available

March 2024 security update is available

The March 2024 security update is available for Windows 11 and all supported versions of Windows 10.

For more information about the contents of this update, see the release notes, which are easily accessible from the Windows 11 and Windows 10 update history pages.

Highlights for the Windows 11, versions 23H2 and 22H2 update: 

• This security update includes improvements that were a part of update KB5034848 (released February 27, 2024). 
• This update addresses a known issue that might affect the February 2024 security and preview updates. They might not install, and your device might stop responding at 96%. The error code is “0x800F0922.” The error message is, “Something did not go as planned. No need to worry – undoing changes. Please keep your computer on.”
• This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. 

REMINDER The June 2024 security update is the last security release for Enterprise, Education, and IoT Enterprise editions of Windows 10, version 21H2. Windows 10, version 22H2, will be the final version of Windows 10, and all editions will remain in support with monthly security updates through October 14, 2025. Enterprise and IoT Enterprise LTSB/LTSC editions will continue to have mainstream support until January 12, 2027.

For instructions on how to install this update for your operating system, see the KB for your OS listed below: 

• Windows 11, version 23H2: KB5035853
• Windows 11, version 22H2: KB5035853
• Windows 11, version 21H2: KB5035854
• Windows 10, version 22H2: KB5035845
• Windows 10, version 21H2: KB5035845
• Windows 10 Enterprise LTSC 2019 and Windows Server 2019: KB5035849
• Windows 10 LTSB 2016 and Windows Server 2016: KB5035855
• Windows 10 LTSB 2015: KB5035858
• Windows Server 2022: KB5035857
• Windows Server 2012 R2: Monthly Rollup: KB5035885
• Windows Server 2012: Monthly Rollup: KB5035930
• Windows Server 2008 R2 Service Pack 1: Monthly Rollup: KB5035888 / Security Only: KB5035919
• Windows Server 2008 SP2: Monthly Rollup: KB5035920 / Security Only: KB5035933