Windows XP reached End of Life in April 2014. Its recommended to avoid continued use of this version of Windows unless you need it for specialist applications, in most cases a Virtual Machine on newer hardware is recommended opposed to using an old computer. See my Virtualisation guides.
A standalone Unofficial Service Pack 4 was released for Windows XP:
Applying this Unofficial Service Pack will patch your Windows XP installation all the way to the 8th of April 2014 when the last update for Windows XP was released.
This guide should be considered a Legacy Guide. I have not tested it out in some time and the Unofficial Service Pack is much faster to download and install.
The WSUS Offline Update should be used to patch all Windows XP physical installations and virtual machines offline. It can be downloaded from the WSUS Offline Update Website:
Specifically version 9.2.1 should be used as its the last version that supports Windows XP:
Detailed instructions in patching a Windows XP installation fully are documented here
- For a physical machine start at 4:14 as the earlier part of the video demonstrates setting up a Windows XP VM
- For details in setting up a virtual machine start at the beginning:
The video below is displayed in two formats, natively on WordPress and also on YouTube. Ensure to select HD to the top right or watch on YouTube with the maximum video quality for best results: