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. It includes updates for most Windows XP components, including MCE and Tablet PC. Request-only hotfixes have been included. Currently, Microsoft.NET Frameworks 4.0, 3.5, 1.1 and 1.0 (Tablet PC only) are included in the Windows XP SP4 package. You can also scan for POSReady updates, because the POSReady trick has been included.

Apr 17, 2016 - Windows XP Service Pack 4 Unofficial is a cumulative update rollup for Windows XP (x86) English as well as security enhancements not.

In addition, all post-eol updates for.NET Framework 1.1, 3.5 and 4.0 until May 2014 have been included. Important information regarding software downloads at AfterDawn.com's software section We have partnered with Air Installer to cover part of the software hosting and maintaining costs at AfterDawn.com. Clicking the Download button will download the setup file to your computer. Opening this file launches Air Installer to manage your installation process, which may offer additional and optional offers from 3rd party software advertisers.

If you wish to download the original version of this software you can do so at the author's homepage (see Info tab on the left).