ndx 900 confused too hell!! :s

Hello, Im iver being really stupid and not following the instructions properly or im being really stupid all together, But ive had my numark ndx 900's for over a year and so have i also had traktor 2 le but i cant seem too get the my ndx 900's working on traktor or anyother dj software ive tried if its possible i bassicly need a ground up from the start really simple way of getting my beauties working on my macbook :/ im sorry for being a pain but i allso need too have my m101 usb working with the 900's also and when i mean full ground up detailed instructions i mean from installing usb codec ect. sorry if im not clear but i hope you can help cheers max