zip file and click on “Extract to DiRT 3 – Complete Edition.zip” (To do this you must have 7-Zip, which you can get here).
Now let the download begin and wait for it to finish. How to Download & Install DiRT 3 Complete Edition It was released in 1 Apr, 2015. Get DiRT 3 Complete Edition, the definitive edition of off-road racer DiRT 3 now expanded with extra content and enhanced with Steamworks integration, including Achievements, Leaderboards and Steam Cloud Saves.
DiRT 3 Complete Edition is developed by Codemasters Racing Studio, Feral Interactive (Mac) and published by Codemasters, Feral Interactive (Mac).