Your unlock key is "xxxxxx-xxxxxx-xx-xxxxx-xxxxxx" 
Obs: if you don't have, you can to buy for a few U.S.dollars here: http://www.USBHIDNetClass.org (by PayPal).

This key is only for you, don't redistribute it!

To protect the full version, you should use unlock key. The unlock key removes "DEMO VERSION".

After creating an instance of easyUSBHidNetClass1.SerialNumber, set the unlock key using the method SetContext:

[ C# ]

easyUSBHidNetClass1.SerialNumber = "xxxxxx-xxxxxx-xx-xxxxx-xxxxxx";


If you have any questions, write to our support:
http://www.UsbHIDNetClass.org  | office@usbhidnetclass.org

More Example code: 
http://www.usbhidnetclass.org/?page_id=201