Previously available exclusively as part of the Digital Deluxe Edition, the Babylonian Civilization Pack and their ruler, Nebuchadnezzar II (c. 630 – c. 561 B.C.), is now available as a separate download. As King of Babylon, gamers will be able to expand their empire with advanced Babylonian Bowmen to rightfully earn the title of Nebuchadnezzar the Great.

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.