The drivers are integrated into different Linux distributions. If the device is not recognized, download the Linux CH340/CH341 driver. (LINUX 32/64bit) MAC OS 32/64bit (version: 1.5 – 2018/07/05) This driver is for MacOS Sierra/High Sierra. This page will show you how to install and test the Arduino software on a Mac computer running OSX. Go to the Arduino download page and download the latest v..