About With this DLC, you can play the story mode from a first-person perspective. In order to enhance the gaming experience from this perspective, we have rebuilt everything that is needed to work well with this view mode.This includes the code, animations, cinematics, models, and sounds.

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 "LIBRARY" tab and start downloading.