Announced by the Windows Health Dashboard:
Windows 10 22H2 can be updated from versions 20H2, 21H1, and 21H2.
Note: Windows 10 Version 20H2 reached the end of service on August 9, 2022 and the December 13,2022 security update will mark the end of service for Windows 10, version 21H1.
Windows 10 update history
Quote"The Windows 10, version 22H2 feature update is entering its final rollout phase and is now designated for broad deployment. As part of the broad deployment phase, Microsoft is offering this update to an expanded set of eligible devices running Windows 10, version 20H2 and later versions.
If you have an eligible device, you can install this feature update by
opening Windows Update Settings and selecting Check for updates.
Once the update is ready for your device, you will see the option
to Download and install.
Devices currently on Windows 10, version 20H2 or newer will have a fast
installation experience because this feature update will install like a
monthly update. For more information on how to install Windows 10,
version 22H2, read this blog post. If you want to explore moving to
Windows 11, see How to get the Windows 11 2022 Update."
Windows 10 22H2 can be updated from versions 20H2, 21H1, and 21H2.
Note: Windows 10 Version 20H2 reached the end of service on August 9, 2022 and the December 13,2022 security update will mark the end of service for Windows 10, version 21H1.
Windows 10 update history