Read about the 12 Laws of Transformation as written by Baron Baptiste in his 40 Days to Personal Revolution Book.
Deciding that you want to start doing yoga is the first step. It's easy to get stuck there, though. Don't be intimidated! You basically do not need anything to practice yoga. The important thing how you show up and the words you say to yourself . Here are 10 (non-exhaustive) tips on how to survive your first yoga class.