CmdID / PowerShell / Cmdlets / Install
Install-VamtProductActivation
Activates products online, using the local computer's Internet connection. Windows Server PowerShell reference
From the Windows Server PowerShell reference 3 parameters Its page in the reference
Parameters
-PasswordProvides a password for password-protected environments.-ProductsSpecifies the product or products to be activated.-UsernameProvides a user name for password-protected environments.