: Use a program like WinRAR (Windows), The Unarchiver (macOS), or 7-Zip (Windows/Linux).
Because this is a specific file fragment rather than a known software or public dataset, there is no official "long guide" for it. However, Understanding Multi-Part RAR Files TeilroenDsretDe02emnLA300WB24ZrTo49.part4.rar
: You cannot open .part4.rar by itself. To extract the contents, you must have every single part of the sequence (Part 1 through the final part) saved in the same folder. How to Extract the Contents : Use a program like WinRAR (Windows), The