Windows XP official support has ended. Many users – including me – who won‘t be able to upgrade their old machines to a newer OS would like to easily install all Windows updates in one convenient package. For this reason, I started working on a Service Pack 4 package.

Windows XP Unofficial SP4 is a cumulative update rollup for Windows XP (x86). It can be applied to a live Windows XP system which has SP1, at minimum, installed or it can be slipstreamed (integrated) in any Windows XP installation media.