FlatOut is adrenaline-filled muscle car racing game packed with explosive physics, spectacular effects and graphics, innovative game play mechanics and good old fun! Eight players or AI cars on track for close pack racing Single player Career, Quick race and Time trial modes Multiplayer mayhem with up to 8 players 16 different fully...
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