note: I am not resposible for anything that happens to you or your computer, do this at your own risk. However, after saying that, I have not had trouble installing ubuntu ever, except on an external hard drive. Don't do that... very hard to clean up from :D
Step 1: Why?
1. It's faster
2. It's free
3. Everything you will ever need for it is free
4. Something to do when your bored