Often we found ourselves so bored about our default things about our OS. Sometimes the best thing we do are changing sounds, wallpapers, sometimes even themes. So many times there are a simple way of changing the way your OS looks. But rarely it goes tough. You may need to touch the registry for some change. Thus for a good sake, Microsoft have provided a open registry so that you can edit things and make it as you like. But editing registry is a bad idea that it may cause a fatal error and corrupt the OS itself. you may say or ask as "There must be a other way." Yes, of course. The easiest way to save your OS from fatal attack is backing up before you edit your registry. Basically there are two types of backup methods for registry. Here i am going to tell you both the methods in detail. This tweak is for Windows XP, but with some OS knowledge you can follow this with any OS with some slight change. If you found difficult, post a comment. I will reply with the cor...