: You only need to right-click and extract the first file (usually part1.rar or just the main .rar if the others are numbered .r01 , .r02 , etc.).
To use this file, you must have (e.g., part1, part2, part3, part4, and part5) downloaded and saved in the same folder. How to Extract Multi-part RAR Files A.Way.Out.part5.rar
: Software like 7-Zip or WinRAR will automatically detect the other parts (including your part5.rar ) and stitch them together into the final game folder. : You only need to right-click and extract