The Nopali Administrator Application is used to manage and update the required yearly license for using the Nopali database system. Go to the 'Server' tab and look at the top third of the panel.

Pressing 'Show License Info' will reveal a panel listing the users that are required to register with Nopali Software for licenses. It also shows the current license key near the bottom of the panel:

This panel will also allow you to export license information either to the desktop or sent directly to Nopali Software via email by pressing the 'Export License Info...' button.
The Nopali Adminstrator window also has a 'Add New License...' button. Pressing this button will allow you to manually add a new license that is sent to you from Nopali Software:

The 'Add New License' sheet that comes down will allow you to either manually type the license key and expiry date or to import a license file that has been sent to you from Nopali Software.