From the menu you can show / hide both the main toolbars and the wizard toolbar.
Choose the toggle button to hide/show the main toolbar, and any additional toolbars you add.
Choose the toggle button to hide/show the wizard toolbar.
The toolbars will follow the default appearance of your desktop, should you wish to change this, so they display
Screem only displays a very basic toolbar by default, along with the wizards toolbar. While you can not edit the wizard bar you can alter the main one, or even add additional bars.