Как запретить обновление до Windows 10
rem @echo off
rem reg save HKLM\SOFTWARE\Policies\Microsoft\Windows c:\HKLMSPMW.hiv
reg delete HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate /f
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate /v DisableOSUpgrade /t REG_DWORD /d 1
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate /v ReservationsAllowed /t REG_DWORD /d 0
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate /v OSUpgrade /t REG_DWORD /d 0 /f
wusa.exe /uninstall /kb:3035583 /norestart /quiet
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\Gwx /v DisableGwx /t REG_DWORD /d 1 /f
или