PowerShell(admin)
reg add HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate /v TargetReleaseversion /t REG_DWORD /d 1
reg add HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate /v TargetReleaseversionInfo /t REG_SZ /d 21H2
gpupdate /force
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FROM 114.247.186.*