Highly compressed versions of large games where the installer is split into many small .rar parts to bypass file size limits on free hosting sites.
You will need a tool like 7-Zip or WinRAR to join these parts. Right-click on Part 1 and select "Extract Here"—the software will automatically pull data from Part 4 and the other segments. Why a "Review" is Difficult
These types of files are often hosted on third-party file-sharing sites. Unless you are downloading from a reputable modding community like Nexus Mods or an official game forum, there is a significant risk of malware.
The file is likely a fragment of a multi-part compressed archive, typically used for distributing large game mods, unofficial patches, or pirated software. Because it is only "Part 4," it cannot be opened or reviewed as a standalone file; you must download all preceding and following parts (e.g., Part 1, Part 2, etc.) to extract the full update. Important Safety Considerations