: Download and install a tool capable of handling .rar archives, such as WinRAR (the official tool), 7-Zip , or The Unarchiver for macOS.

: If you receive a "Checksum Error" or "Corrupt Header" during extraction, it usually means part4 or another segment was downloaded incorrectly. You may need to re-download that specific part. Do you have the other parts of this archive, or

: You need every part of the set (e.g., part1 , part2 , part3 , and part4 ) in the same folder. If even one part is missing, the extraction will fail.