To install Service Pack 3 for Windows XP
- Please close all programs except your web browser.
- Click here to download Windows XP SP3.
- Choose Run when prompted. Wait for the file to be downloaded (316MB).
- Choose Run when prompted. This will extract the needed files.
- Choose Next.
- Click on the "I agree" option then choose Next.
- Choose Next and wait for the install to finish.
- Click Finish to restart your computer.