Four years of war and a steep price in human lives have not been enough to unlock a deadly stalemate. The Colonials have countered all of the Cylon’s offensives so far, but no decisive victory was achieved. The deadlock is suddenly broken by a surprise attack from the Cylons and the brutal annihilation of the Colonial Fleet High Command on Picon. The fate of mankind is now resting on the shoulders of Rear-Admiral Lucinda Cain. The secret, cunning plan she has conceived could turn the tide of the war forever…

— Activation Details —

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.