To publish your course, complete the following steps:
Go to the course home page. At the top of the page, you will see the following message:
If you click on the published link, you will see the course setup checklist appear with the bottom Publish Course option selected. From the course setup checklist, go ahead and click on the Publish Course button in the course setup checklist, as shown in the following screenshot:
When you click on the Publish Course button, your course will be live. All of the students and observers who have not already received invitations to join the course will receive e-mails instructing them to join the course. You are now ready to begin teaching your course!