As per the unofficial timeline, Windows XP Service Pack 3 (SP3) has been
uploaded to Microsoft's servers. Currently, the final build is only available on
the download.windowsupdate domain in the following languages:
Chinese (Hong Kong),
Czech,
English,
French,
German (Deutsch),
Hebrew,
Japanese,
Polish,
Russian,
Simplified (Chinese),
Spanish, and
Traditional Chinese. According to Microsoft TechNet, the 300MB+ x86
standalone installer (build 5512)
will not be available today on the Microsoft Download Center nor on
Windows Update. The service
pack contains all previously-released Windows XP updates, including security
updates, out-of-band releases, and hotfixes released since Windows XP SP2 hit
Microsoft's servers back in August 2004. There are reportedly 1,073 fixes in
SP3, as well as various performance improvements.