jack up car take off wheel remove 2 bolts holding caliper on use a wire hanger to support caliper while changing rotor tap rotor from behind to loosen compress piston to get caliper back on(some people say use a clamp or such, I just use brute force) put everything back on(make sure you have slots going the right way) bed in new rotors simple? if your not confident, let a pro do it for you. Would only cost about $100 from local mechanic