Scenario
You’ve installed Windows Server 2008 R2 and are running it in “trial mode”.
You have a spare full license key, and you want to use this to convert the server from trial mode to the full version.
Solution
- Press WINKEY + r, then type oobe to open the Initial Configuration Tasks window.
- Click Activate Windows:
- Type in your Product Key, then click Next:
- Once activation has completed, you will see this message:
If you want to upgrade to different versions of Server 2008 R2, follow the links below: