Click on Courses on the navigation bar and then click Add Course.
Enter the details like Title, Code, Duration, etc. and click the Submit button. Now, you will be able to see the newly created course in the Course list.
Now click on your newly created Course and then click Add Chapter/Module to add a Chapter/Module. Enter the Chapter/Module Name and click the Save button. You will see the Chapter/Module has been added.
Click on the Chapter/Module you just added and click on the Add Content button to add content to the Chapter/Module.