Microsoft is releasing the newest service pack to the family of Windows XP, called the Service Pack 3 Release Candidate 1. This SP3 bringing in a host of security updates, fixes in addition to some new improvements. It is subtly billed as an update program file known as kb936929, and indeed a hefty download that weighs in at 336.1MB. The purpose of this release is to fill the gaps that any existing Windows XP users when they installing the updates, any particular important update they might missed. Thus, any Windows XP SP1 or SP2 users can install this SP3. On top of that, this is a product strategy that Microsoft want to please its existing Windows XP users that their PCs did not support the Windows Vista.

Some enhancements can be found on this SP3, such as the Network Access Protection, that allowed Windows XP PCs to leverage Windows Server 2008 capabilities, Black Hole Router Protection, and many more.