: Ensure that every sequential piece (part01, part02, etc.) is fully downloaded.
. As long as all the other parts are in the same folder, your extraction software (like WinRAR or 7-Zip) will automatically "stitch" them together. Step-by-Step: Place all numbered parts in one folder. Right-click Grand.Theft.Auto.V.part01.rar Select "Extract Here." Grand.Theft.Auto.V.part01.rar
Do not underestimate the disk space required. This is the most common oversight that leads to failed installations. : Ensure that every sequential piece (part01, part02, etc