Barnes & Noble.com leverages the power of the Barnes & Noble brand to offer online customers the Web's premier destination for books, eBooks, magazines, toys & games, music, DVD and Blu-ray, and related products and services. The B&N offers millions of new and used items from a network of trusted Sellers, often at discounted prices. Their special collection of Rare & Collectible Books features unique finds such as signed and first editions and out-of-print books.

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.