Autotune like Medic Droid.?

ok so theres this part in "The Killer Anna" where "The Medic Droid" sings "And i wont leave ill try and pretend cuz we've got nothing to lose pretend so here we go again" i have autotune and its been bugging me trying to figure out what settings to put it at. and i need a name of a free vst. i had antares free trial of their vst. thanks http://www.youtube.com/watch?v=xNMTQ_rEfW8 (link to the song)