- per aggiornare windows da linea di comando ( windows update )

# powershell as admin

Install-Module PSWindowsUpdate -Force
# Install-Module PSWindowsUpdate -Confirm:$False

powershell -noprofile -executionpolicy bypass "Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -AutoReboot"



---- old
powershell as admin

# da testare
# prima sempre insrallare modulo
Install-Module PSWindowsUpdate

Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -AutoReboot

# se da errore di permessi o simili che non può eseguire lo script
powershell -noprofile -executionpolicy bypass "Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -AutoReboot"

######## old con i comandi separati

Install-Module PSWindowsUpdate
Get-WindowsUpdate
Install-WindowsUpdate


fonte
https://www.altaro.com/msp-dojo/powershell-windows-updates/
https://www.thewindowsclub.com/how-to-run-windows-updates-from-command-line-in-windows-10