Windows XP Service Pack 3 includes all the previously released updates for the operating system. This update includes a small number of new functionalities, which do not significantly alter the users experience with the operating system.
This download is the self-extracting executable, which contains the update package for Windows XP Service Pack 3. This final build of Windows XP Service Pack 3 includes all the previously released updates for the operating system from Windows XP Service Pack 3 RC1 going forwards. This release includes more networking and security enhancements for the operating system.
Windows XP is now over ten years old and Microsoft made the decision not to support the ageing operating system any longer for the average user and are now focused on newer technologies.