Current version requires: macOS == 10.11 / 10.12 / 10.13 / 10.14
horndis requires a kernel extension to work.
If the installation fails, retry after you enable it in:
System Settings → Privacy & Security
For more information, refer to vendor documentation or this Apple Technical Note:
https://developer.apple.com/library/content/technotes/tn2459/_index.html