Library install instructions as well as especially FTDI d2xx library install instructions -> see https://github.com/WurthElektronik/AmberPi-SDK/blob/master/ANR008_WirelessConnectivity_Software_Development_Kit_SDK.pdf chapter 4.4 and following.
Maintaining this repository is discontinued. Please switch over to https://github.com/WurthElektronik/WirelessConnectivity-SDK for Würth Electronic eiSos radio modules and/or https://github.com/WurthElektronik/Sensors-SDK for Würth Electronic eiSos sensors.