In addition, your computer must at least be running Windows XP with Service Pack 1 installed.
We recommended that you have Service Pack 2 installed before installing SP3.
The updates range from increased security to internet improvements, with other supplementary features included, as well.
The biggest updates included in the software pack are added native support for WPA2 for Wi Fi networks and NAP support.
Windows XP Service Pack 3 (SP3) includes all previously released updates for the operating system.