Step1: Install Arduino Software Download software from http://arduino.cc/en/Main/Software Then you can read how to install form here http://arduino.cc/en/Guide/HomePage step2: Install dricers If you are using windows, follow the instruction here http://arduino.cc/en/Guide/Windows you will need to install the driver. As we have Arduino Pro Micro, please also install the Pro micro driver from here >> https://github.com/sparkfun/SF32u4_boards/archive/master.zip […]