An ancient evil force has emerged from the portals and threatens the balance of both worlds! Only the Avatar stands a chance in defeating this new threat! Features Original Avatar storyline penned by the TV show’s creators. Wield the power of all 4 elements—water, earth, fire, and air as only the Avatar can! Change bending styles at any time to unleash devastating combos. Beat overwhelming odds by activating the all-powerful Avatar state.

— Activation Details —

Go to: http://store.steampowered.com/ and download STEAM client Click “Install Steam” (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don’t have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam… Follow the onscreen instructions to complete the process. After successful code verification go to the “MY GAMES” tab and start downloading.