A successful installation will WACK make appear within your components libary. Click on "window->components" to open the components window. Then select WACK from the components dropdown menu.

Drag
WACK onto your stage and make the component available within your project libary.

You can now either use the WACK instance on your stage by giving it an instance name within the properties settings or you can delete the WACK instance on stage and use the attachMovie command of Flash to bring an instance of WACK to your movie.

Integrate WACK into your project by customizing it with methods, event-handlers and properties that are Flash-like documented.