I have a Pentium 4 computer. I had on that windows xp a few days ago; When I saw the Microsoft launches a new operating system. I was happy about that and I have installed the same in my computer. But window 7 is required more than 1 GB ram and graphic is good. Now I am facing a little problem. A problem is that my computer is working very slowly, S have to uninstall it. How can I remove and uninstall.