Add a Button to the Toolbar
How do I add a button to the toolbar?
3. Locate the Desired Button in the Commands window

Scroll through the list of Commands and locate the button that you wish to add to your toolbar.
4. Add the Button to Toolbar

Left click and drag the new button onto your existing toolbar. A bold black line will appear when you are hovering over the existing toolbar. This line is where the new button will be placed.
Drop the new button onto the toolbar.

Repeat step 4 to add all desired buttons.