For versions 6.1 and newer
In versions 6.1 and newer, the licensing is done automatically by the software. Note that the activation can take up to 1 day in some cases.
For versions 6.0 and 6.1
You must be logged in as the SystemAdmin user to update or renew your license key.
In the Control Panel, go to the Tools menu and select Administration. In the Administration menu, go to Licenses.
Click Activate or Renew.
Enter your new license key into the input field and press Submit.