Release note: Intel USB 3.0 eXtensible controller version 1.0.0.42 driver For Win8.1-64 released on 12th June 2015.
Intel has updated a new version USB 3.0 eXtensible controller driver for NUC mini computer based on Braswell and skylake chipset. It can only support for for Win8.1-64 system.
Supported Devices: Intel USB 3.0 eXtensible Host Controller