Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\GWX] "DisableGWX"=dword:00000001 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\OSUpgrade] "AllowOSUpgrade"=dword:00000000 "ReservationsAllowed"=dword:00000000 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate] "DisableOSUpgrade"=dword:00000001