In my AutoCAD that I use now, I have the ribbon and the pull down menus open at the same time. The only way to access the pull down menus in CAP Complete is to utilize the “Classic”. I think that there is a way to have both the drop down menus and the ribbon at the same time…this is a screen shot of my AutoCAD19. The yellow are the pulldown menus.
While the 2020 Cap Complete CAD engine does a lot of the same things that AutoCAD does, there are some differences. One of the differences is that the pulldown menus are only accessible from the Classic desktop and the ribbon menu is only accessible from the 2D Drafting and Annotation desktop. This may be different than what you are using now and may require a change to what you are used to.