Mars hasn’t killed the radio star (yet) with this new radio station featuring all the top pop songs from the sponsor countries who’ve set their sights on Mars. Bop along to some J-pop, Bollywood and more as you fend off mortal peril for you and your colonists!
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