: Right-click on only the first file ( Bulletstorm.part1.rar ).
: Use a third-party utility like WinRAR, 7-Zip, or PeaZip. Bulletstorm.part2.rar
: Ensure every numbered part of the archive (e.g., part1, part2, etc.) is saved in the same directory. : Right-click on only the first file ( Bulletstorm