By default program put icon into the system tray.
Double click on icon show or hide application window.
Right mouse click on icon shows tray menu.
Hide/Restore - hide or show program window on the desktop.
Screen Center - set program window position to the center of the desktop.
Options - Opens dialog, that is designed for program's customization to your needs.
Help - Displays the help contents.
About - Showing about program dialog.
Exit - close application.