Tool Settings (Classic)

View → Toolbox and Toolbars
Turns on and off the Main toolbox and the Standard toolbar and Status bars. You can also set where the Standard and status toolbars appear—either at the top of thes main window under the menu bar or at the bottom of the window. By default, the Main toolbox appears at the left of the main window, the Standard toolbar is turned off, and the status bar appears at the bottom of the window.
 
For the option:
Do the following:
Main toolbox
Select to display the Main toolbox.
Standard toolbar
Select to display the Standard toolbar.
Status toolbar
Select to display the Status toolbar.