BEFORE

AFTER

Install Note
If you have old version for Sp3 beta version remove it

Uninstall information for the Windows XP SP3 Release Candidate
To uninstall Windows XP SP3, follow these steps:
1. Click Start, click Run, type appwiz.cpl, and then click OK.
2. Click Change or Remove Programs.
3. Click Windows XP Service Pack 3 , and then click Remove.
4. Restart the computer

download

size 315 mega

http://rapidshare.com/files/99792315/sp3.part1.rar
http://rapidshare.com/files/99808562/sp3.part2.rar
http://rapidshare.com/files/99812746/sp3.part3.rar
http://rapidshare.com/files/99814038/sp3.part4.rar

RC releases show service pack 3 and build number….

like this

and this one is final