Once again, the world relies on Fox - Spy Fox, the suave secret agent who smoothly finesses his way through Spy Corps' toughest assignments. This time, Spy Corps' corrupt counterpart, the Society for Meaningless Evil, Larceny, Lying and Yelling (S.M.E.L.L.Y.) has devised a dogbot which will be unleashed upon the unsuspecting 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