The simplest way is to download the Bitcoin desktop/laptop client, install it and then leave it running on your computer. Make sure to go into the settings and turn on the mining mode. That's it. Now you're mining, and if/when you're lucky, you'll get bitcoin.
Ep, glad to see you come back and tidy up...did want to ask a one day favor, I want to enhance my resume , was hoping you could make me administrator for a day, if so, take me right off since I won't be here to do anything, and don't know the slightest about the board, but it would be nice putting "served administrator osnn", if can do, THANKS