Ctrl+1
or check (or uncheck) View | Sidebar in Menu Bar.Ctrl+5
or check (or uncheck) View | Toolbox in Menu Bar.Ctrl+2
or check (or uncheck) View | Navigator in Menu Bar.Ctrl+6
or check (or uncheck) View | Editors in Menu Bar.Ctrl+3
or check (or uncheck) View | Toolbar in Menu Bar.Ctrl+4
or check (or uncheck) View | Statusbar in Menu Bar.