Help and some tips in creating winforms application

Question

Hello guys I want to create a tutorial application running on desktop. I have some queries:

1. How to store lessons in the database and upload them when I started the application.

2 - I want when the user finishes the lesson moves to the next lesson with the possibility of reference to the previous lessons how to do it.

3- Auto-save user data (when the user opens the application the last user lesson is uploaded)

4- How to move from usercontrol to anathor userconterol.