I got my RF 7.5 Upgrade today, and it wants a serial number in a format I don't have. Can I upgrade from Drone, or did I just waste time and $$$? The support site says:
Can I upgrade to RealFlight 7.5?
Answer
If you currently own RealFlight G3.x, G4.x, G5.x, or 6.x, you can purchase/use the...