1. Sign up
2. Click on the "Bonus programs" tab
3. Click on the first one on the list called:  "Get 5 DoBits when you register at Bitcoin Bonus"
4. Go down to the bottom of the page where it says something about redeeming the program
5. (Look really troubled while staring all twitchy eyed desperately hoping the .05 BTCs go through, and/or  )
6. Profit!