This message was posted on behalf of Intel Corporation
Our 6i7KYK NUC has been tested with Windows7, 8.1 and 10; Intel provides drivers for all of them.
In the case of Linux, they have not been tested but customers reported compatibility with Ubuntu 15.10 and Gentoo. In the case of Linux, each distro provides the drivers.
More details at:
Supported Operating Systems for Intel® NUC Products
Downloads for Intel® NUC Kit NUC6i7KYK