Microsoft today notified customers that several editions of Windows 11, version 21H2 will reach end of service (EOS) in three months, on October 10, 2023.

This applies to Windows 11 21H2 editions released in October 2021: Home, Pro, Pro Education, and Pro for Workstations.

“These editions will no longer receive security updates after October 10, 2023,” Microsoft announcement Monday.

“Customers who contact Microsoft Support after this date will be prompted to update their device to the latest version of Windows 11 to remain supported.”

After the end of service date, Windows 10 21H2 devices running the above Home and Pro editions will no longer receive monthly security and quality updates with fixes and fixes for bugs and security issues recently discovered.

Multiple editions of Windows 10 21H2 (the Windows 10 November 2021 Update) also reached the EOS earlier this month.

Microsoft also provides users with a list of all products who will reach the end of their support or retire in the coming months.

Customers can view the Windows Lifecycle FAQ and the Lifecycle policy search tool for more information regarding specific end of service dates for Windows.

Windows 11 2022 Update now force-installs on some devices

​Windows 11 22H2 (aka Windows 11 2022 Update) has entered widespread availability for Windows devices meeting the eligibility criteria since October.

You can confirm Windows 11 upgrade eligibility by checking the Windows 11 specs, features, and computer requirements or with the help of PC health check app.

Notably, Microsoft is also force installation this update on systems currently running Windows 11 21H2, which is fast approaching its EOS date.

“In January 2023, unmanaged consumer and business devices running Windows 11, version 21H2 began automatically updating to version 22H2,” Microsoft said on the Windows Release Health Dashboard.

“Since Windows 10, we’ve been helping Windows users stay up-to-date and secure with supported versions of Windows through automatic updates.

“We use the same approach for Windows 11 to help you stay protected and productive. And remember: you can choose a convenient time for your device to restart and complete the update.”

Microsoft also provides this supporting document and one guided tour to help resolve issues encountered while upgrading from Windows 11 22H2.