Get access to the first two Premium Expansions due this year! You'll get all the perks and bonuses of upcoming paid content to upgrade your hub, decorate your weapons, outfit yourself with skins for upcoming [redacted] new characters, themed minigames and narratives, and card back variants!

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.