Thread: How to install EA on MT4 ?

I want to install and test EA on demo account of MT4 but i don't know the exact procedure and installed EA can not work though the smile appears on the right top corner of chart. What can i do to make EA working automatilcally. Please explain in details i excited to know and test EA automatically.

press F7 on graph ,will occur popup for set up EA ,Choose common tab ,check allow trading and done. finish