https://learn.microsoft.com/en-us/windows/release-health/windows-message-center#3081
Reminder: End of servicing for Windows 10, version 21H2 Home, Pro, Pro Education, and Pro for Workstations
On June 13, 2023, Home, Pro, Pro Education, and Pro for Workstations editions of Windows 10, version 21H2 will reach end of servicing. The upcoming June 2023 security update, to be released on June 13, 2023, will be the last update available for these versions. After this date, devices running these version will no longer receive monthly security and preview updates containing protections from the latest security threats.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. This keeps your device supported and receiving monthly updates that are critical to security and ecosystem health. For these devices, you will be able to choose a convenient time for your device to restart and complete the update…