Install software like WinRAR, 7-Zip, or ExtractNow.
Right-click GvTrBe.part1.rar and choose "Extract Here" or "Extract to [Folder Name]" . GvTrBe.part1.rar
If you are still having trouble with the file, please tell me: are you using to try and open it? What specific error message are you seeing? I can give you a more specific solution. Install software like WinRAR, 7-Zip, or ExtractNow