Microsoft Finally Releases Windows XP Service Pack 3
Today Microsoft released Windows XP Service Pack 3 (SP3) to manufacturing (RTM). The public version will be available for download via the Web on April 29 via Windows Update and the Microsoft Download Center.
Chris Keroack, Windows XP SP3 release manager, said Online documentation for Windows XP SP3, such as Microsoft Knowledge Base articles and the Microsoft TechNet Windows XP TechCenter, will be updated then. For customers who use Windows XP at home, Windows XP SP3 Automatic Update distribution for users at home will begin in early summer.
Source : Microsoft TechNet Forum