SmartWare Software link for Mac

I hooked my new My Book Essential 1 TB external hard drive to my new Mac. The drive had to be reformatted. I need a link to a download for the Smartware Software plz.

Thank you

http://wdc.custhelp.com/app/answers/detail/a_id/5419/session/L3RpbWUvMTMyMTI4ODEwMS9zaWQvQnduRzI2Sms%3D