How to upgrade Windows Server 2012 R2 Evaluation Edition to the Windows Server 2012 R2 Standard Version?

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2012 R2 Standard you type:

dism /online /set-edition:serverstandard /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2012 R2. It will upgrade Windows Server 2012 R2 Evaluation to Standard.

Buy Windows Server 2012 R2 Standard Product Key