Immerse yourself in the award-winning strategy experience. Microsoft Studios brings you three epic Age of Empires III games in one monumental collection for the first time. Command mighty European powers looking to explore new lands in the New World; or jump eastward to Asia and determine the outcome of its struggles for power.

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.