Open ServerGenius web interface (http://localhost:7777 by default) and click on the “Administration” > “License” menu.

The following page should be displayed:

Click on the “Activate your License” button, and look for the license.lic file you have been given.

Then browse and select your license.lic file and click on the “Activate” button.
From now on, your License page will look like the one below, to confirm that you have indeed an activated license:

You can see the new status of your License by going back to your license details:

Thank you for choosing ServerGenius!