Right click anywhere in the main window to display the Properties window. It allows you to customize the window buttons as well as the background colour.
To modify the size of the toolbar buttons, select one of the following:
Small buttons : small buttons are displayed below menu items
Large buttons with images : components buttons are displayed on large buttons
Large buttons without images : no buttons are displayed
In the Miscellaneous section, make the appropriate choice:
Display menu : only the menu bar appears. No buttons are displayed. Right-click the work area to modify the properties.
Display toolbar : the menu bar and the toolbar are displayed.