: .rar (Roshal Archive). This is a compressed format that requires software like WinRAR or 7-Zip to open.
: Ensure the file size of "part 2" matches the other parts. If it is significantly smaller (and isn't the final part), it may be a "dead" link or a corrupt download. Control.Ultimate.Edition.GOG.part2.rar
: You typically right-click on part1 and select "Extract." The software automatically pulls data from part2 and subsequent files to reconstruct the original installer. Control.Ultimate.Edition.GOG.part2.rar
: The award-winning supernatural action-adventure developed by Remedy Entertainment. Control.Ultimate.Edition.GOG.part2.rar