Follow the instructions in the installer. To get started, first download the latest binary package of HoRNDIS from Github. How to Use HoRNDIS on Your Mac for USB Tethering It allows you to use your Android smartphone's native USB tethering mode to gain internet access-without rooting. HoRNDIS, (pronounced horrendous) is a driver created by Joshua Wise for Mac OS X users with 10.6.8 and above. Now there's a new Android app on the market that lets you connect your un-rooted device to your MacBook for easy web access without any hiccups. While USB tethering your Android device to a Windows-based laptop is pretty easy, Mac users were required to root their phones in order to get the faster, more stable USB tethering to work.