This Intel page tells you to download the FTDI drivers and run as Admin. I appears that you first need to install the “Windows Driver setup 1.0.0” from this page.
1. Install Windows Driver Setup 1.0.0: https://communities.intel.com/docs/DOC-23242 (bottom of page)
2. Install the FTDI drivers: https://communities.intel.com/docs/DOC-23147