Return to your course front page and choose Settings from the Administration block.
Scroll down to the number of weeks/topics setting and change the number in the drop down-list to add another topic to your course:
3. At the bottom of the page, press the Save changes button. That's it, we're done—and now there's a new empty topic at the end of your course.
4. For the moment, I want to hide this topic from students. Click on the eye icon on the right-hand side to hide the topic:
5. It depends on your theme but, to show that a topic is hidden, two grey bars are shown on the left- and right-hand sides of the topic:
We've now got a new, empty topic added to our course. I don't want students to be able to view the assignment until we are all ready, so I've hidden this topic from them for now.