Microsoft Windows XP Service Pack 3 review. David Fearon October 7, 2009. Amazingly, it’s been almost four years since the last Windows XP service pack. The near-legendary XP Service Pack 3 is not available for Windows XP x64 Edition, which is based on the Windows Server 2003 kernel and, as a result, uses its service packs rather than the ones for the other editions. Take a look at the Microsoft Security Bulletin Search tool to determine which updates you'll need to download. Here are the settings I recommend to get all of the relevant updates after post-SP3. Then it's just a matter of downloading the relevant install executables for offline use. Last Modified: 5/19/2009. Description: Windows XP Service Pack 3 (SP3) is an update to Windows XP that addresses key feedback from our customers and is a cumulative update that includes all previously released updates for Windows XP, including security updates. The Windows XP SP3 is primarily a package of previously released updates, security updates and hotfixes. However, a test run by Devil Mountain Software, says it boosts performance. The latest 64 bit? You’re done at SP2. First I’ll start with an important quote from Microsoft’s own Learn how to install Windows XP Service Pack 3 (SP3) page: There’s no SP3 for the 64-bit version of Windows XP. ekhDPB2.