Download the Headstart Pack and receive the stunning Mercedes-Benz SLR McLaren 722 GT, a RaceNet bonus and make your in-game cash go further with a 15% discount on all purchases from GRID 2’s online vehicle and upgrade store.
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