On January 12, 2027, Windows 10 Enterprise LTSC 2021 will reach end of updates. The January 2027 Windows security update will be the last update available for this version. After this date, devices running Windows 10 Enterprise LTSC 2021 will no longer receive monthly security updates containing protections from the latest security threats.
Message ID: MC1507706
Published: Oct 14, 2026
Service: Windows
Tag: Admin impact
To help keep your devices protected and supported, we recommend updating to the latest Long-Term Servicing Channel release, Windows 11 Enterprise LTSC 2024. If your organization cannot complete its transition before January 12, 2027, Extended Security Updates (ESU) options are available to help keep eligible devices protected while you complete your transition. Learn more at Plan for Windows 10 Enterprise LTSC 2021 end of support.
For detailed lifecycle dates, see the Windows 10 Enterprise LTSC 2021 lifecycle page. For servicing and lifecycle resources, see Windows 10 release information, Lifecycle FAQ – Windows, and the Microsoft Lifecycle Policy search tool.