When Ana receives an unexpected gift from her missing father, she is catapulted headlong into a mystery that will take her on a journey through time. At last she must decide if a perfectly predictable world is a curse on humanity or a triumph for mankind.
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