: Ensure every part has the exact same name (except for the part number) and is the same size (except for the last part).
: Right-click only on lol1620.part1.rar and select "Extract Here" using WinRAR or 7-Zip . lol1620.part2.rar
: If Part 1 is missing, you will get an error saying "Volume required." : Ensure every part has the exact same