TUTORIAL #1 (LED BLINKING WITH PROTEUS AND ARDUINO APP SIMULATION)
У вашего броузера проблема в совместимости с HTML5
This Video is basic, for student or people who want learn about Arduino, and have not device for testing. With this way, can simulate, So not need Arduino device only software.
After success, buy the part and practice.
for detail please check http://www.trisna.web.id/2017/10/05/simulasi-arduino-dengan-software-proteus/