Instead of trying to decompile others’ work:
It’s important to clarify that discussing, distributing, or promoting decompilers for MetaTrader 4 (specifically decompiling EX4 back to MQ4) typically violates the End User License Agreement (EULA) of MetaQuotes Ltd. and constitutes infringement of the original developer’s intellectual property rights. Ex4 To Mq4 Decompiler 4.0.401.1 43
That said, if you are looking for an informational or educational breakdown of what such software claims to do — without encouragement to use it unlawfully — here’s how you could frame content on the topic: Instead of trying to decompile others’ work:
To understand what a decompiler does, it helps to understand the file types involved: To understand what a decompiler does, it helps
Since the release of Build 600, the landscape of decompilation has changed: