SP3 is the third and final service pack released for Microsoft Windows XP, and it eliminates many of the security holes that previously affected XP. While Microsoft recommends that users download SP3 using Windows Update, some users are unable to do so. However, it's easy to create a Windows XP SP3 installation CD; it requires only that you download the pack from the website and burn it to a CD-R/DVD-R using an ISO burner program.
Download the SP3 installation ISO by visiting the first link listed in the "Resources" section of this article. Save it to your Desktop. Download ImgBurn and save it to your Desktop. Double-click the installation executable for ImgBurn and click "Next." Follow the remaining onscreen prompts and click "Finish" to complete installation of ImgBurn. Insert a blank CD-R/DVD-R into your DVD drive. Open ImgBurn by going to "Start," "Programs" and "ImgBurn." Click "File," then "Browse for a source file." Navigate to your Desktop and select the SP3 ISO file. Click "Open." Click the blue "ISO to CD" button located on the bottom left of ImgBurn. The program will begin creating the Windows XP SP3 installation CD. This process may take anywhere from 10 to 20 minutes to complete depending on the speed at which the CD-R/DVD-R is being burned. Click "OK" once the CD-R/DVD-R has finished burning. You've successfully created a Windows XP SP3 installation CD. http://www.microsoft.com/downloads/details.aspx?FamilyID=2fcde6ce-b5fb-4488-8c50-fe22559d164e&displaylang=en
XP PRO SP3 ISO Download the iso also download the imageburn http://www.imgburn.com/ http://windows-xp-pro-startup-disk.soft32.com/ http://support.microsoft.com/kb/322389