How do you remove audible drm audio books?

Hi i purchased plan from audible and i want to remove DRM only because I think it takes away from my rights as a consumer so I need to find a good program that will help me do this I already tried DRM remover RIP OFF they only copied half of the books and now it reads error each time I try to convert again. I tried uninstall again but for some reason the website will not allow me to enter my owner code its like I've been Ripped off I paid $45.00 for nothing can you help me please.