If you bought a boxed copy of RealFlight 9.5:
Do not lose this card. Horizon Hobby does not reprint serial numbers for physical copies without proof of purchase. Realflight 9.5 Serial Number
No. Legitimate free serial numbers do not exist. Any website, YouTube video, or forum post promising a “free RealFlight 9.5 serial number” or “key generator” is a scam. Here is why you should avoid them: If you bought a boxed copy of RealFlight 9
Some bundles include a controller and a digital code card. The serial number is on the card, not on the controller itself. Never throw away the card until the software is fully activated. Do not lose this card