Korak 1: Otvorite cmd (pokrenuti kao administrator), then you type
dism /online /get-targeteditions
Korak 2: You copy and paste this code in cmd
If you want to upgrade to Windows Server 2012 R2 Datacenter upisujete:
dism /online /set-izdanje:server datacenter /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula
Bilješka:
ako vidite "nadogradnja nije uspjela", ponovno pokrenete svoj Windows Server 2012 R2. It will upgrade Windows Server 2012 R2 Evaluation to Datacenter.