Windows XP SP3 Build 5512 is finally here for those that use Windows Update to download. Here is an interesting article regarding SP3 performance, ignoring the fact that Vista SP1 is still faster than XP SP2/SP3 users will enjoy a performance boost over SP2. When will people learn that Vista ain't all bad!

Windows® XP Service Pack 3 (SP3) includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers’ experience with the operating system. This white paper summarizes what is new in Windows XP SP3.

Download: Stand-alone installer for Windows XP SP3 English, 32 Bit (316 MB) // Service Pack 3 for Windows XP via Windows Update (Size varies)

Additional languages:

• Windows XP SP3 for Chinese Traditional, 32 Bit Systems
• Windows XP SP3 for Spanish, 32 Bit Systems (308 MB)
• Windows XP SP3 for German, 32 Bit Systems (313 MB)
• Windows XP SP3 for Polish, 32 Bit Systems
• Windows XP SP3 for French, 32 Bit Systems

Known issues: On some hardware configurations, you may encounter the Windows XP SP3 BSoD Endless Reboot Loop with Stop c0000139 on GDI32.dll Error, follow this guide to repair your XP installation.

Explanation on MSDN TechNet forums

Microsoft, Windows XP, SP3, XP SP3, Windows Update, Download