Includes: State of Decay: Breakdown Year-One (DLC) You've survived the apocalypse once. Now it's time to move forward and tell your own story. In State of Decay: Breakdown Year-One, now beautifully remastered in 1080p, you take on an endless campaign with twists and turns based entirely on your own choices. Build up your score in the face of an ever-escalating zombie threat, and compete with survivors around the world. Complete challenges to unlock new heroes with unique weapons and skills. The deeper you go, the tougher it gets, and every choice is yours.

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.