Today we're going to install every single update that was ever released for Windows XP, bringing a clean RTM installation (with no service packs applied) to a fully updated one that also includes the POSReady 2009 patches. To bring back the Windows Update functionality we're going to use Legacy Updater ( ), a utility that lets us update older Windows versions exactly the way they were intended. Thanks for watching! If you find what I do useful and/or interesting, consider supporting my work! or or Thanks in advance!