The license key is used to hash against the serial number of the carillon for activation. You must be connected to the carillon in order for the software to activate.
Normally, the program is fully functional, including licensed features even when the carillon is not connected, for example when you take the computer home with you to work on scheduling. The license key is stored on the local computer in the file (which may be hidden)
Your carillon's serial number and features are saved in the following file to support functionality when the PC is used away from the carillon
in the folder