

Hi Rich,
About the links "Home Settings Participants Reports Question Bank More", you don't need to worry about them as they only show for admins.
If you want the blocks Calendar, Online users etc. on the Home page, you can turn editing on and add them. You'll then have a blocks drawer (which doesn't appear on pages with no blocks).
As you've found, the navigation drawer is gone in 4.2, as instead you have navigation along the top of each page (Home, Dashboard, My courses).
Rather than having your courses in the navigation drawer, there's a new My courses page where you can search, sort and filter courses. This is much easier for students with a long list of courses.
In courses, the navigation drawer is replaced by the course index which can be closed, or sections can be collapsed, to reduce cognitive load.
Otherwise, as others have mentioned, there are theme solutions available and also the navigation block.