TreePad Lite has five toolbars, which are all lined up at the top of the screen just below the main menu.
Inside the options screen, category 'Toolbars', you can show/hide an individual toolbar by checking/unchecking each of the following items:
Tip: you can also show/hide the individual toolbars without opening the Options dialog. Just right-click anywhere inside the Toolbars area so that the Toolbars context menu will pop up. The toolbars context menu contains menu-items to show/hide each toolbar.