Windows Server 2012 R2 Standard Build 9600 Product Key Activation Site

Check if activation was successful by typing: slmgr /xpr (shows expiration date) or slmgr /dlv (displays detailed license info). Method 3: Activating from Evaluation Edition

Alternatively, right-click on your desktop or in File Explorer and select Properties . Click Change product key or Activate Windows . Check if activation was successful by typing: slmgr

Press Win + X and select or Windows PowerShell (Admin) . Check if activation was successful by typing: slmgr

If the GUI is unavailable, use the Software Licensing Management Tool ( slmgr.vbs ) from an elevated Command Prompt. Check if activation was successful by typing: slmgr