In IE7 and above you find the option under Quero > Options > Appearance > IE navigation bar.
In IE6 uncheck View > Toolbars > Address Bar.
Quero can share its space with other 3rd-party toolbars and the Menu bar or reduce the entire interface to one line.
Click on the Quero button (Alt+Q) to customize your toolbar and to access the toolbar functions.
Quero is now open source. You are welcome to modify and improve it.
Join the discussion on the Quero Web forum.