: The game will connect to the server and provide an activation key automatically if your serial number is valid. Transitioning to the Steam Version
Version 1.2.1 was the last version that worked seamlessly with the famous "Realistic Physics Mod" and several vehicle packs created by Russian modders. Newer versions (1.5+) broke compatibility with these mods because the devs changed the tire friction model. City Car Driving Enter 1.2.1 Activation Key PC