is a volume label used by Microsoft for specific distribution media. It breaks down as follows:
Microsoft Windows XP Professional SP3 GRTMPVOL EN cd-key.rar Microsoft Windows XP Professional SP3 GRTMPVOL EN cd-key.rar
The string is a specific internal label used by Microsoft for its installation media. Breaking it down helps explain why this version is so sought after: GRT: Generally refers to a "Gold" or "Great" master image. is a volume label used by Microsoft for