Upgrade windows 2012 server

Upgrade de la windows 2012 standard trial la windows 2012 standard sau datacenter.
Din powershell aflam editia curenta:
dism.exe /online /Get-CurrentEdition
Editii la care putem face upgrade:
dism.exe /online /Get-TargetEditions
Facem upgrade:
dism.exe /online /Set-Edition:ServerDatacenter /AcceptEula /ProductKey:KEY-KEY-KEY-KEY