How to Install IE8 (Internet Explorer 8) in Windows XP SP2 without validation

Download and install this one first

http://download.microsoft.com/download/6/1/2/612642d3-19e1-4fe8-a107-f4fee987be04/WindowsXP-KB946501-v2-x86-ENU.exe

Then install IE8 (need to uncheck Updates box)

http://download.microsoft.com/download/7/e/8/7e88c69b-77d2-4fd7-b1eb-12c6d89ecc93/IE8-WindowsXP-x86-ENU.exe

Cheers