The first thing you need to do is start adding some content – right now you have no posts or pages set up.
Have a look at the step-by-step guide here:
https://theme.wordpress.com/themes/mood/support/
You can begin with the “Getting Started” section, which explains how to create your static front page and assign it to the front page template.
Let me know if you get stuck at any step and I’ll be glad to help further.