CoursePress - Trouble setting it up for our needs

Hi There,

We are new to CoursePress and are having troubles setting it up.

#1
What we want to achieve: We have courses with 5 to 10 unites each. Each unit shows a video. Once the video is watched, he or she should click the done button and jump to the next unit. There is no assessment. If a unit is passed by clicking done, the next unit is accessible. Once all unites are done he or she can get to the next course.

Problem: How do we have to set the course? At the moment all courses are accessible or nothing happens, once clicked on done.

#2
We don't need to show all the course details. Is the only way to disable details with CSS disable:none?

Thanks for your support.