A new continent and numerous new tasks await you in Professional Famer 2014’s America DLC. The vast new map takes the player to the amber waves of grain of North America – complete with huge fields and new buildings. Additional crops (e.g. potatoes) and dozens of new machines bring added variation to the ultimate farming experience.
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