MT4 is known as one of many popular applications for trading in the Forex market. It supports automated systems through trading bots, custom scripts, and custom indicators. These tools can be written in MetaQuotes’ own language, MQL4. EX4: This type of file is a compiled version of the MQ4 source https://ex4tomq458754.dbblog.net/3762041/details-fiction-and-ex4-to-mq4