You have just been appointed the head of a new Movie Studio and have been given 10 (now 50) years to make it the most successful studio around. You are up against seven other computer controlled Studios all trying to be the best Studio in the world!
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