The code had been promised for mid-May but was pushed back after Microsoft delayed the final release of the service pack until the third quarter.

REDMOND, Wash., Aug. 6, 2004 — Microsoft Corp. today announced the release to manufacturing of Windows XP Service Pack 2 with Advanced Security Technologies.
Windows XP Service Pack 2, or SP2, was a major update for Windows XP, which was released by Microsoft on August 25, 2004. It was succeeded by Windows XP Service Pack 3 on July 10, 2008. Service Pack 2 included many important addons and updates: Security - Huge security updates were included in
No. A date for release? Not quite. It hasn't been decided, but Randle said the Microsoft team were working on a provisional timetable that would see the service pack hit users at the end of July. Microsoft Windows XP Professional x64 Edition, released on April 25, 2005, is an edition of Windows XP for x86-64 personal computers. It is designed to use the expanded 64-bit memory address space provided by the x86-64 architecture. [1]
The RC2 code that was made available Monday had been promised for release in mid-May, but the date shifted after Microsoft confirmed last month that the final release of Windows XP2 had slipped
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windows xp sp2 release date