Navigate to the course you want to update.
Select theicon next to the course title, in the top banner.
Select the Search images tab if you wish to use Unsplash’s library of free images, or Upload image if you wish to use your own file.
If you wish to preview your new cover, select the Minimize button at the top right. Select Restore when you are done.
Select Save and your banner will be updated.
Navigate to the About tab of the course you wish to change.
Select the pencil icon, next to the course name in the about tab.
Make any changes you desire to the course title and description, then select Save.