The Ultimate Vault Hunter Upgrade Pack 2: Digistruct Peak Challenge adds 11 more levels of character growth, new legendary gear, and the challenging “Raid on Digistruct Peak” map offering even more high-level play. For players who want to get the most out of their Borderlands 2 experience, the first Ultimate Upgrade Pack and Ultimate Upgrade Pack 2 can be combined for a max level cap of 72 , even more legendary gear, and new over-leveled modes!

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.