All Softdrill NL program have a menu option Help – About… This option will show a dialog box that will display information on the program (version and copyright) as well as information on your license.
In addition, the is also an option Help > License Wizard… which will display the License Wizard used to request and activate your trial license. The wizard can also be used to activate subscription licenses or to deactivate a license so that it can be activated on another computer.