Important Windows XP SP3 won't install if your computer is running the 64-bit version of Windows XP. (How to determine whether my computer is running a 32-bit or 64-bit version of Windows)

You can help keep your computer current, safe, and working correctly by installing update files for your operating system. To make it easier for you to install Windows XP updates and fixes, Microsoft collects these updates and fixes in service packs. Service packs help to extend and update the functionality of your computer.


You must have Windows XP SP2 or Windows XP SP1 installed before you install Windows XP SP3.

How to determine if a service pack is installed on my computer

Collapse this imageExpand this image
  1. Click Start.
  2. Type the following command in the Start Search box, and then click OK:
    Note A dialog box displays the version of Windows and the service packs that are currently installed on your computer.
Collapse this imageExpand this image

Obtain Windows XP SP3

Download and install Windows XP SP3

For more information


What is fixed in Windows XP Service Pack 3

Issues with Windows XP Service Pack 3

About this article

Article ID: 322389
Last review: January 8, 2014
Applies to: Microsoft Windows XP Professional, Microsoft Windows XP Home Edition, Microsoft Windows XP Media Center Edition 2005 Update Rollup 2, Microsoft Windows XP Tablet PC Edition
Would you like to provide feedback on this article?
Get more support from

Contact us for more help

Contact us for more help
Connect with Answer Desk for expert help.