Install-Module PSWindowsUpdate -Force

Add-WUServiceManager -MicrosoftUpdate -Confirm:$false

Install-WindowsUpdate -AcceptAll -AutoReboot

schtasks /create /tn "Windows Update Weekly (Sun 1AM)" /tr "powershell -NoProfile -Command \"Install-WindowsUpdate -AcceptAll -AutoReboot\"" /sc weekly /d SUN /st 01:00 /ru SYSTEM /rl HIGHEST

schtasks /create /tn "Windows Update Weekly (Sun 1AM)" /tr "powershell -NoProfile -Command \"Install-WindowsUpdate -AcceptAll -AutoReboot\"" /sc weekly /d SUN /st 00:00 /ru SYSTEM /rl HIGHEST