Ok, cadet. This is it. All your training has brought you to this point - you are here for one reason only: to be the best.Strike Suit Infinity is a frantic high score chaser where your skill is the only thing that matters. Whatever combat experience you have had so far is considered irrelevant.
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