In preparation for the massive update coming for Unreal Tournament 3, those who own a retail copy may now register it with Steam, free of charge.

The latest installment in the legendary online action series from Epic will be updated automatically via Steam and introduce support for Steamworks Achievements (with over 50 Achievements), plus a host of new features and enhancements in AI, Server Browsing, Demo Recording, Mod Support, and more.

To register your retail copy on Steam, simply click the main menu option 'Games' and select 'Activate a product on Steam' from within the Steam client.