The serial number is a unique alphanumeric code that verifies your legal ownership of the software. Starting with version 1.5, the game introduced a requirement for real-time license validation. Key things to know about your code:
: Once exchanged at the Steam Activation Page, your original serial number is permanently blocked and cannot be used for the standalone version again. serial number city car driving 1.5.0
: Added native support for the Oculus Rift head-mounted display. The serial number is a unique alphanumeric code
In , the serial number is the unique license key required to activate the simulator and access its features. This version marked a significant shift in the software's DRM, moving to a system that requires a constant internet connection for license validation. Activation Process : Added native support for the Oculus Rift
: Includes falling snow textures and realistic physics where the road becomes significantly more slippery.