Download Security Update for Windows XP SP3 (KB4012598) from Official Microsoft Download Center. Security Update for Windows XP (KB982316) Important! Selecting a language below will dynamically change the complete page content to that language. Download Security Update for Windows XP (KB982316) from Official Microsoft Download Center. Remove these updates before you install Windows XP SP3. To install Windows XP SP3 from the Microsoft Download Center, we recommend that you have a minimum of 1,500 megabytes (MB) of free space on the system disk. Also includes troubleshooting information. Recommends steps to take before you install Windows XP Service Pack 3.