Includes: Crusader Kings II - Songs of Byzantium (DLC) Songs of Byzantium contains three new songs, totaling more than 10 minutes, composed by the talented Andreas Waldetoft. These songs give more depth to your game playing experience as you play characters in the Byzantine Empire and other Greek, Armenian or Georgian states. Komnenos The Legacy of Rome The Byzantine Empire

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.