Steps to use Arduino coding interface for your board

• Download Arduino IDE app: https://www.arduino.cc/en/Main/Software
• Install ATTiny support software for Arduino following the guidance from High-Low Tech: http://highlowtech.org/?p=1695
• Select the right board, resonator, and programmer from the Arduino settings
• Run the "Burn Bootloader" command under the Tools menu
• Write, verify, and then upload programs