Hi, I just purchased.
I also have problem with installing this on my system.
It's listed as an unknown device. And then off course the program says it isn't connected.
System: Windows 8.1 Pro all up to date.
and
System: Windows 7 Pro all up to date.
More info:
https://www.dropbox.com/sh/vwbjk7r34zkjc3h/AACueIQA2M-MoPwH93WHh7KRa?dl=0