Additional support for AVR-USB-MCUs of the families ATmegaXYu2/4/6 and AT90usbXYZS – e.g. Arduino Uno USB-MCU (ATmega16u2) and Micro (ATmega32u4). Optiboot (an older version) is installed by default ...
After you have connected the Arduino board and the programmer to your computer launch the Arduino IDE. Navigate to the Tools > Board menu and select Arduino Duemilanove/Uno (ATmega328) w/ Ariadne ...