Race To Mars is a turn-based, space company simulation game. Become the head of the newly established “New Space” company whose goal would be to establish a colony on Mars. You begin as a startup - develop cutting edge aerospace technologies and use them to achieve orbit and fly beyond Earth vicinity, blazing the trail of a space pioneer...
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