Regardless of why you need to install, you do need to install. Unfortunately, you haven't the slightest clue as to what you’re doing - or you do, but want to learn a bit more. You might not be sure what to do just to install; you might not know what to do afterwards; you might even think you know what to do, but you want to be sure. You've come to the right place, it’s our complete beginners guide to install Windows (XP and below). You can check out the full tutorial over here.