Security News > 2022 > December > Microsoft: Windows 10 21H1 has reached end of servicing

Multiple editions of Windows 10 21H1 have reached their end of service on this month's Patch Tuesday, as Microsoft reminded customers yesterday.
Since Windows 10 21H1 will no longer receive security updates, customers are advised to upgrade to the latest release as soon as possible to avoid exposing their systems to attacks exploiting unpatched security vulnerabilities.
"To help keep you protected and productive, Windows Update will automatically initiate a feature update for Windows 10 consumer devices and non-managed business devices that are at, or within several months of reaching end of servicing," Microsoft said.
The feature update can be installed on eligible devices via Windows Update by going to Settings > Update & Security > Windows Update and clicking the "Check for updates" button.
You can also install the latest Windows 10 release using the Windows 10 Media Creation tool, which will allow you to upgrade or create an ISO for a clean install of Windows 10 21H2. Windows 10 22H2 is being offered to customers with devices running Windows 10 20H2 or later if they're not affected by compatibility holds and haven't been configured to defer feature updates.
You can check if your Windows 10 device is eligible for a Windows 11 upgrade using the PC Health Check app or checking Windows 11 specs, features, and computer requirements.
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