Greeting's :

Okay I found this URl from where you can download latest patch (actually Service Pack) for other version's of windows except WINDWOS XP.

http://www.microsoft.com/windows/IE/nonxp.mspx

Moreover I hope "Roshaz" you tell us if your windows is completely updated because a completely patched (updated) windows or for that matter any software is always required if you want to secure system.