How do I get rid of Windows 10 Update 20h2?

In the meantime, you can try this:

1. Open Registry Editor.
2. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate.
3. Create TargetReleaseVersion registry DWORD.
4. Set its Value data to the Windows 10 version you want. …
5. Close Registry Editor and reboot to make changes effective.

28 Apr 2021