By yourself or getting trained by someone else?
getting trained is the easiest way. someones is right there to teach you. but, thats also expensive so i would reccomed trying to teach yourself and if that doesnt work then go to a tutor. here are great webs to tech yourself guitar
www.freeandeasyguitar.com
www.guitarjamz.com
www.jamplay.com
www.youtube.com ( type in how to play guitar )
need a guitar? www.samash.com
www.guitarcenter.com ( go to value packs )