Welcome aboard, Mary!
Your next step is to upgrade to family member. It's free to upgrade. Then you can start adding your family branches and digging into the research.
When you are ready, check out the project list. Projects are a great way to learn more, discover new resources and collaborate with other members. Sound like you would enjoy getting involved. There's also regular community challenges you can participate in.
Good luck with your research and enjoy your journey into the past!