The AVH Extended Categories Widgets can be installed in 3 easy steps:
- Unzip the extended-categories-widget archive and put the directory "extended-categories-widget" into your "plug-ins" folder (wp-content/plugins/).
- Activate the plug-in
- Go to the Presentation/Appearance->Widgets page and drag the widget into the sidebar of your choice. Configuration of the widget is done like all other widgets.