Basically just follow the USBADDA installation guide.pdf.
There are no dll for USBADDA, please read the ADDA_CMD manual.pdf for the commands to control the card.

1.	After you plug the device, you will find an unknown device Decision USB16ADDA in your device manager.
2.	The device VID is VID_6666 and PID is PID_81BA.
3.	After installing the driver, you will find a virtual communication port in the Ports class.

USB16ADDA don't use the HID interface - use virtual communication port!