American Conquest: In the year 1492, travel to America as Christopher Columbus and ignite the fire that will fan 300 years of heated battles for land, riches, and freedom. In eight historical campaigns spanning 42 missions, you will take on the roles of great legends such as Francisco Pizarro and George Washington. Secure new technologies, unique weaponry, and improved fighting units, but also master the delicate world of diplomacy. Play with fire! Conquer America.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).
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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.