Ensure your security software is not blocking the game's internet access. Adding the game to your exceptions list or temporarily disabling the firewall can help.
Are you trying to activate an or a Steam version ? city car driving serial number 159 work
If you are still struggling to get your simulator up and running, let me know: Ensure your security software is not blocking the
: Historically, standalone copies of City Car Driving bought directly from the developer's site required a unique Serial Number sent via email. The game launcher used this serial number alongside a hardware-generated Product Code to request an Activation Key from the developer's server. let me know: : Historically