Good afternoon, Marsha.
What you should do first depends on what your goals are.
When you have decided specifically what you are trying to accomplish, please let us know. We can then discussion whether Search, Display, or Express advertising will work best for you.
In the meantime, I'd also strongly recommend that you review at least the basic material in the Help Center. It's possible to spend quite a bit of money wtihout getting the results you want if you don't understand the program and the decisons you're asked to make.
When you have more speicific questions, please post them!
Google AdWords Top Contributor