BECKHOFF CP-Link3 - Manual (Page 24)

Page 24
The CP-Link 3 Shell Extension can be switched on or off in the CP-Link 3 Shell Extension area. The CP-Link 3 Shell
Extension is used to extend the desktop context menu (see also the CP-Link 3 Shell Extension section).
About
Clicking About opens a window that displays the current license and version information about the CP-Link 3 software
installed on the computer.