How to Set up a Used Mac When You Don't Know the User Name or Password
by David Murphy from Lifehacker on (#4QA5R)

We're tackling a fun issue with geeky hand-me-downs in this week's Tech 911. I wish I knew someone older than me-a parent, a brother, an awesome neighbor-who had laptops and smartphones and gadgets galore that they could pass my way when they were sick of using them.