Battle it out on the proving grounds and get ready for Future Wars. Similar to classic titles such as Advance Wars and Battle Isle, the game takes strategy gaming away from the micro-management overkill that it has become and using simple, proven rock-paper-scissors principles, reopens the genre to everyone.
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