
This update contains miscellaneous security improvements to internal Windows OS functionality. This cumulative security update includes improvements that are part of update KB5022352 (released January 10, 2023). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history home page. Note For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article.

Learn more about this cumulative security update, including improvements, any known issues, and how to get the update. Upgrade to Windows 10: FAQ Learn more about upgrading Windows Server Summary For more information, see Windows Server End of Support: Key Dates. ESUs will continue for three years, renewable on an annual basis, until the final date on October 13, 2026. Extended Security Updates (ESUs) will be available for purchase no later than October 2022, but available for installation after the EOS date, October 10, 2023. For more information, see Windows Embedded 8.1 Industry.įor Windows Server 2012 R2, the end of support (EOS) date is October 10, 2023. Windows Embedded 8.1 Industry Enterprise and Pro will reach end of support (EOS) on July 10, 2023. Continuing to use Windows 8.1 after Janumay increase an organization’s exposure to security risks or impact its ability to meet compliance obligations.įor more information, see Windows 8.1 support will end on January 10, 2023.

Microsoft will not be offering an Extended Security Update (ESU) program for Windows 8.1. If devices do not meet the technical requirements to run a more current release of Windows, we recommend that you replace the device with one that supports Windows 11.

If you have devices running Windows 8.1, we recommend upgrading them to a more current, in-service, and supported Windows release. REMINDER Windows 8.1 reached end of support on January 10, 2023, at which point technical assistance and software updates are no longer provided.
