Arduino Uno R3 DriverArduino Uno Driver Download Mac InstallerArduino For MacArduino Uno Driver Download Mac DownloadArduino Uno R3 Software DownloadArduino Uno Driver Mac 4Install the DriverApr 12, 2019. 1 Go to the Arduino downloads page and click the Mac OS X link to download a.zip file containing a copy of the Arduino application for Mac OS X. Currently, the file is 71.1MB. That’s quite a la..