Batman: Arkham Origins Game Keys

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.

The Arkham Origins Online Supply Drop 1 will give you an advantage in Online no matter what team you're on. Get 2 additional clothing items for both Bane and Joker Characters with gameplay enhancing features and the all-new Sawn-Off Shotgun complete with additional weapon progression and skins. The ARKHAM ORIGINS Online Supply Drop 1 will give you a measurable advantage in online gameplay no matter what team you're on. Get 2 additional clothing items for your Bane and Joker characters - both with gameplay enhancing features. You'll also get a badass new weapon - the all-new Sawed-Off Shotgun complete with additional weapon progression and Skins. Features Bane SWAT Character Gear SWAT Helmet: Try this on for size and impress your friends with a one-of-a-kind SWAT helmet. SWAT Jacket: Complete your look with a sleek new SWAT tactical jacket, only available with this supply drop! Customize!: Improve your score! Both the Helmet and the Jacket come with gameplay-enhancing customizations to really give you the edge in combat. Joker Blackgate Prisoner Character Gear Prison Overalls: Try on these sweet prison overalls. No actual prison time required to purchase ;) Prison Bandanna: Show your allegiance with the stylish new prison bandanna that all the boys in the yard are wearing now. Customize!: Improve your score! Both the Bandanna and the Overalls come with gameplay-enhancing customizations to really give you the edge in combat. Sawed off Shotgun Left hand on the pump: Show your enemies who's boss with this bad-ass Sawed Off Shotgun. Progress & Customize!: The Shotgun comes with 9 additional progression levels and 5 different skins! Upgrade it!: Get the edge in combat with three incredible gameplay upgrades: 1) Faster Reload, 2) More Bullets, and 3) Reduced Equip time.