Open the Steam client, go to Games > Activate a Product on Steam , and enter the new key. Recovery of Lost Serial Numbers
If you're an RC enthusiast or professional, investing in a RealFlight 9.5 serial number is a must. With its realistic simulations, extensive model library, and community features, RealFlight 9.5 is the ultimate tool for anyone passionate about RC modeling. Realflight 9.5 Serial Number