Note: Your original Windows XP CD must have at least service pack 1 already integrated for this tutorial to work. For most people this isn't an issue as the Windows XP CD's that have been sold over the past several years already include SP1 and even SP2 in many cases.
How to Slipstream Service Pack 3 into Windows XP:
1.Insert your Windows XP installation disk
2.Download the Official Service Pack 3 from Microsoft
3.Download and install nLite
4.Navigate to Start -> Programs -> nLite and click nLite to launch the program.
5.Click Next. Once you arrive at the Locating the Windows installation page, click Browse and select the drive where your Windows XP installation disk is located:
6. Next, nLite will ask you where to save the CD installation files for modification, click OK.
7. Now you need to create a folder to save to and work from. Click the Make New Folder button, type in a folder name, and click OK.
8. Next, nLite will attempt to copy all files from the Windows installation disk to the folder you have created. Once it has finished, click Next.
9. Click Next until you arrive at the Task Selection page, select the Service Pack and Bootable ISO options and then click Next.
10. Next click Select and browse to and select the Service Pack 3 executable that was downloaded in step 2.
11. Next, nLite will proceed to integrate Service Pack 3 into your Windows installation. Once it has finished, click OK, then click Next.
12. Next, we need to create the new image that will be burned to a CD. Under Mode, select the option to Create Image and then click Make ISO.
13.Now all that's left to do is use your favorite CD burning utility to burn the ISO to a disk.
