Assetto Corsa: Ultimate Edition is the most complete version of the universally acclaimed driving simulator, offering all the DLC & updates ever released for the game (Dream Pack 1-2-3, Tripl3Pack, Porsche Pack 1-2-3, Red Pack, Ready To Race, Japanese Pack and Ferrari 70th Anniversary DLCs). Choose from 178 meticulously detailed vehicles - their handling and performance modeling taken from real track data & telemetry - and 19 legendary circuits (including Spa Francorchamps, Nürburgring-Nordschleife, Laguna Seca & many others) with 40 different track configurations, recreated through laser-scan to deliver the highest accuracy possible. Enjoy all the race modes in Single player or compete with friends in online multiplayer. Customize the driving experience by adjusting the handling and race set-up to match personal racing styles. With its advanced physics engine including features and aspects of real cars, Assetto Corsa: Ultimate Edition offers a level of realism never experienced before.

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.