After the purchase, you automatically receive the key to activate Sid Meier's Civilization® III Complete at Steam game platform without regional restrictions.

http://store.steampowered.com/app/3910/Sid_Meiers_Civilization_III_Complete/

About game:
Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery, combined with the updated and enhanced multiplayer expansion pack Sid Meier's Civilization III: Play the World*, as well as all of the great new civilizations, scenarios, and features from Sid Meier's Civilization III: Conquests! Sid Meier's Civilization III: Complete provides more ways to explore, more strategies to employ, more modes of play, and more ways to win, all in one box!

Activation instructions:
1. You must download and install Steam http://store.steampowered.com/ (if not already installed)
2. Register a new account on Steam or go to an existing one.
3. Go to "My Games" and select "Activate via Steam", enter the key.
4. The game after activation appears in the list of games and you can download it from Steam.
5. Enjoy the game.