how do you mod you ask?, you download a modding program called a trojan server and run it on your computer (ignore the virus warning) then you go to www.crash-my-pc-because-im-a-fukin-n00b.com
So you wanna learn how to mod eh? Well here, i'm gonna let you in on a little secret, its http://www.google.com. Nobody's gonna do it for you, start reading.