First of all, you need a wallet. There are different ways to get one. Easiest and fastest is Instawallet http://cur.lv/ir35 Pro: easy to use, no signup Con: you’ll have to save your url Block chain is really good and easy. http://cur.lv/ir2g Pro: Secure ID and Password Con: No password recovery I like the original Bitcoin QT Software http://cur.lv/ir1h Pro: many options, like back up your wallet Con: You have to install the software and its quite big… Now that you have your wallet you need to fill it with bitcoins.