: Opening "part01" with a utility like WinRAR or 7-Zip will automatically pull data from all subsequent parts (including part07) to reconstruct the original ISO image or installer.
: You cannot extract or use "part07" on its own. If this is the only file you have, it is essentially useless without the rest of the set. Project.CARS.3.Deluxe.Edition-CODEX.part07.rar
: Since this is a CODEX release, the installation usually involves copying files from a folder named "CODEX" into the game’s main directory to bypass Steam's DRM. Important Considerations : Opening "part01" with a utility like WinRAR