Software must be activated to work with it, either in basic mode (free) or advanced mode (license).
When starting the software for first time you will be asked if you have a registrer code (license) for Land/Air to activate it. If you do not have any, click on 'free activation' and after entering your data, you will be able to work with the basic functions of the software.
Register codes can be used at any time by going to 'Help > Activation Information > Enter Register Code'.