To extract the file sc23463-C0DG.part4.rar , you must have of the archive (e.g., part1.rar , part2.rar , part3.rar ) in the same folder. You cannot extract part 4 by itself, as it is just one piece of a larger split archive. Full Extraction Guide
: Do not right-click part 4. Instead, locate and right-click sc23463-C0DG.part1.rar . sc23463-C0DG.part4.rar
: If prompted, you must enter the password used when the archive was originally created. To extract the file sc23463-C0DG