The Endowment pack includes: 'The Protector’s Companion' Assault Rifle Weapon Blueprint 'Duty Calls' Sniper Rifle Weapon Blueprint 'Frontline Stripes' Vehicle Skin 'The Protector' Operator Skin 'Tagged' Weapon Charm 'Ready for Anything' Animated Calling Card 'Mermen' Static Calling Card 'Seeing Double' Animated Emblem 1 Hour XP Token 1 Hour Weapon XP Token The full purchase price for this special item, less VAT, will be donated to the Call of Duty Endowment (EIN: 37-1589072). The Call of Duty Endowment places unemployed and underemployed veterans in the U.S. and U.K. into high-quality jobs*. By purchasing this pack, you will directly contribute to the Endowment's mission.

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.