I say, get on a stage in front of thousands of people, play three notes, then thrash around and destroy your guitar and light it on fire.....................
ok, I'm kidding... but check around this website, they have lessons for beginners. and there are many books, dvds, etc. out there that can help get you started. plenty of websites out there that can teach you different things. you may want to check out the products from www.riffinteractive.com I learned alot of what I know from that website.