If you right-click after the "+" at the end of the tab bar you can select to have the menus and toolbars displayed all the time. If you only have one tab open, right-click in a blank area after the box with the page address or just above or below it, or press Ctrl+t to open a new tab.

(I know they made this change so you could see as much of the page as possible, but... it's not for everyone.)

Wonderful! Thank you. However, I do not know how to recover my "file" "edit" "help" bars ect.

Did you switch to full screen mode?

You can press F11 to toggle full screen mode or hover the mouse to the top to make the Navigation Toolbar bar and Tab bar appear and right click toolbar and select Exit Full Screen Mode.

Press F10 or press and hold the Alt key down to bring up the "Menu Bar" temporarily if you only see the orange Firefox button.