RaceRoom is the premier free-to-play racing simulation on PC and home to official race series like DTM, WTCR, the WTCC and ADAC GT Masters. Enter RaceRoom and enter the world of a professional race car driver.
Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
Enter your unique code that's displayed on the 'Orders' page of CDKeys.com and follow the prompts to activate.
Your game is now viewable in the “Library” tab and is available to download/install when you’re ready. You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam