As administrator click "Manage Courses".

You will then be directed to this page, click "Create course".

You can then start filling in the details of your course until the 3rd step.

Highlighted area are "steps"

On the 3rd step, make sure click on "Advance (Bundled)" to create a bundle course.

There are also extra options in the highlighted field.

You can then continue filling in the details of your course.

Once done, course will then be created and set as a Bundle Course.