Why bother tampering this copy-edit-paste book without strong historical evidence? Don't you know that it has a huge similarity with the Torah? Also, you seriously believe that this book came directly from heaven? Please do a little bit research on the history of Islam.
https://www.youtube.com/watch?v=QfyGZO-J7q4
https://en.wikipedia.org/wiki/Islam:_The_Untold_Story
PS. I'm an agnostic