Sport and RPG elements have been combined with traditional fighting game mechanics for the first time, to offer unrivaled realism and challengingly brutal gameplay. Train until you sweat blood to increase skills such as endurance, speed, leg and arm strength.
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