Create a Wallet
Completely free, go to blockchain.info and create your first wallet. Remember the keep the information safe, it's going to be like your bank account.
Get free Bitcoins
Fill in the form with your public BTC address and start playing. Once your pending balance reaches at least 100 µBTC, you should expect to see payment within 24-48 hours.
Buy free stuff!
You can either convert your bitcoins into your currency (dollars, euro..) or buy stuff online and get it home for free! Learn more here