He is coming, stalking criminals in the spirit world and the real world. A possessed man is coming, a voodoo mask in his chest and lines of power in his back. Shadow Man is coming, trailing evil from Liveside to Deadside. To stop an apocalypse. To save your soul.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.