: "ApunKaGames" is a third-party distributor. Files downloaded from such sites are not official releases from the game's developers (Codemasters).
: Run the .exe to extract the game folders. You may need a password, which is often listed on the page where you found the link. download-dirt-apun-kagames-exe
: An .exe file is an executable. In the context of game downloads, this is often a setup wizard or a self-extracting archive used to install the game files onto your PC. : "ApunKaGames" is a third-party distributor
