: Every segment from part01 through the final part must be in the same folder.

To use a file like part03.rar , you cannot open it in isolation. You generally need:

: The .part03.rar extension indicates this is a split archive . High-definition games are often 50GB–100GB+, so they are broken into smaller segments (usually 5GB each) to make downloading more manageable and to provide "recovery records" in case a download is corrupted. How Split Archives Work

: CODEX was one of the most prominent "warez" groups that specialized in cracking digital rights management (DRM) like Steam, Arxan, and Denuvo. They officially retired in early 2022.

: Files from these sources are frequently used as "binders" for malware by third parties who re-upload them.

Because this file originates from unofficial distribution channels, it is important to keep a few things in mind:

: Once extracted, you are left with a .iso file, which is a virtual disc image containing the game's installation files and the CODEX "crack" folder. Safety and Context