The serial number ensures the software is used in accordance with FANUC America's licensing agreements. How to Find Your Serial Numbers
The software serial number is an (typically formatted in six groups of four characters) required to activate the tool. This serial number is essential because: fanuc program transfer tool serial number exclusive
Once the serial number is successfully entered, it is stored within the application, and you will not be prompted for it again during subsequent uses on that specific PC. The serial number ensures the software is used