Activate Windows Server 2016 Datacenter using valid Product Key
BELOW WE MAY GET STEP-BY-STEP SCREENSHOTS,
Step 1 - Click on "Start" button.
Step 2 - Click on "Settings" button.
Step 3 - Click on "Update & security" button.
Step 4 - Click on "Activation" button.
Step 5 - Verify "Windows is not activated".
Step 6 - Click on "Start" button, type "cmd", click on "Command Prompt".
Step 7 - Type "slmgr.vbs /ipk 6DNGK-FXXXX-XXXXX-CXXXX-VH7YF" and press "Enter".
Step 8 - Click on "OK" button.
Step 9 - Click on "Troubleshoot" option.
Step 10 - Verify "Windows is activated".
Step 11 - Again, verify "Windows is activated".