Since I can not find where to download the official MT4 from this official website. But for the link below, I am not sure, it can trust and safe to download it or not? https://www.metatrader4.com/en/automated-trading/mql4-programming Thank you very much in advance
For example the indicator such as FFCal Headline inform the news in FX, It has to allow DLL import . However, the sentence below make me hesitate to do that. Is DLL dangerous? Yes and No. Unlike MQL that is running in a sand box which protected by MetaTrader, DLL can access all information and files