This is tutorial on how to reformat your computer with windows xp. You would need to put the windows xp cd on the cd drive. Then have your bios boot into cd.
The follow the props. In this sandbox I used virtual machine to install windows.
Why you ask am I doing this? Certain programs don’t work on the new windows 8, example audio vst plugins. Audio vst plugins love windows XP. I don’t know why. In the near future lots of awesome plugins will be written for VST 2 and 3. But at the time of writing this none has shown up before. In addition, why reinvent the wheel when it works. Yes, in programming refactoring is big one, but this is not refactoring. This is sound engineering.