About the game

With over 6 million units sold and unprecedented critical acclaim from fans and press around the world, Sid Meier's Civilization is recognized as one of the greatest PC game franchises of all-time. Now, Sid Meier and Firaxis Games will take this incredibly fun and addictive game to new heights by adding new ways to play and win, new tools to manage and expand your civilization, all-new easy to use mod capabilities and intense multiplayer modes and options. Civilization IV will come to life like never before in a beautifully detailed, living 3D world that will elevate the gameplay experience to a whole new level. Civilization IV has already been heralded as one of the top ten games of 2005, and a must-have for gamers around the globe! *Mac version's Online Multiplayer is no longer supported.

How to activate

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.

System requirements