Quick Access Toolbar
The Quick Access Toolbar is in the left upper edge.

- Click the button 
Customize
          Quick Access Toolbar. - For example, select the functions Save and
          Redo permanently visible. Remove the selection by selecting the
        same function again.
        

 - Select the Quick Access Toolbar  location.
- Show below / above the Ribbon
            

 
- Minimize the Ribbon
            

 
 - Show below / above the Ribbon
            
 
