Most "keygens" are bundled with trojans or spyware that can steal your passwords or damage your OS.
City Car Driving uses a hardware-bound activation system. A key used on another machine will not work on yours, often leading to "Key Blocked" errors. City Car Driving Activation Key 1.5.9
Ongoing updates that keep the simulator compatible with the latest Windows versions and hardware. Most "keygens" are bundled with trojans or spyware