I'll assume that you are not double clicking in the Project Map to open the section/elevations or selecting them in Plan and using right click to open.
If that is the case then the solution is to go to "System Preferences" and under Keyboard select "Use F1-F2 keys as standard function keysā¦"
or if you don't want to change it then you will need to press "Fn key +F3" to open the 3D window.
Eduardo Rolón AIA NCARB
AC29 US/INT -> AC08Mac Studio M4 Max 64GB ram, OS X 10.XX latest
another Moderator