To create a course, create a module, or upload a Course to Learn for Jira, or create a learning path- first select Course Editor from the Lighthouse drop-down menu at the top-right of Jira, then click the Create Content button in the banner on the Content Management page.

You can only access the Content Management page if you have 'Course Create' or 'Course Admin' permissions.

The Course Editor screen, with the Create Content button highlighted.

From there you have 4 options: