You should see a vertical menu on the left side of the Moodle portal that looks like this:
If you do not see it, simply click on the hamburger menu icon to display it.
You should be able to access your courses directly from here under the My Courses link.
On the menu link on the left side of the screen, you should see a link that says Dashboard. If you click on it, it will direct you to a page with all of your Moodle courses listed.
On the right side of the Moodle portal, you should see a block called Navigation. You should be able to click on the link within it that says My Courses.