The World Union is labeled the 'perfect society'. Prosperity is a science, disease and wars have vanished, sex is entertainment, and the future has never looked brighter. Suddenly this perfect society is rocked by the murder of a World Union citizen in the 'Rogue State' of Russia.
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