The main program starts with a toolbar. From this toolbar all windows and plugins can be accessed. The toolbar remains open all time.

By pressing this button, the software is searching for devices. The used connections have to be selected in the settings window.
The settings dialog is opened (see settings).
The about-box is opened (see About).
The number of icons in this area depends of the plugins you have installed.
A plugin consists of a dll-file (and sometimes some other files) which is copied into the main program window. After startup the plugins are detected and added to this plugin-area. You can sscheck the installed plugins in the about-Box.
There are the following plugins available (not in every version of Software):
Bootloader
In this Listbox all connected devices are listed. The name, software version and interface can be displayed with a mous click on the list:

The program will be closed..