: Your serial key is provided upon purchase, either on the back of the physical DVD manual or in the confirmation email for digital versions.
Right-click the game in your library and select . : Your serial key is provided upon purchase,
If you encounter errors like "Invalid Serial Key" or the prompt repeatedly reappears, try these steps: like City Bus Simulator Munich
: For some editions, like City Bus Simulator Munich , activation is handled through the Aerosoft Launcher . Ensure this utility is installed and updated. : Your serial key is provided upon purchase,