RSLOGIX allows for the transfer of the activation key onto a computer so that the floppy is no longer needed to run the software on that platform. I only have one activation for it and use it on two computers. We own the RSLOGIX 500 start edition here at our company.RSLogix 5000 software offers an easy-to-use, IEC61131-3 compliant interface, symbolic programming with structures and arrays and a comprehensive instruction set that serves many types of applications. With RSLogix 5000 programming software, you need only one software package for discrete, process, batch, motion, safety and drive-based applications.For more information about the online help refer to RSLogix 500 online help on page 91.