MT4 is usually a free trading platform. You'll be able to download it from your official Sites of your broker. Here's the list of most popular brokers. I’ve been using, developing and tests robots for 15 many years, so this is the BEST listing you are going to ever find. https://sergiozhlps.digiblogbox.com/57974010/trader-social-tools-things-to-know-before-you-buy