Use the MQL5 Freelance section to hire a programmer to write a new script based on the behavior of the EA you like.

: If you've lost your own source code, try searching for earlier backups or contact the original developer. For learning purposes, visit official communities like open-source

– Decompiling EX4 files without the author’s permission violates most software licenses, including MetaQuotes’ terms of use. EX4 is compiled intellectual property. "Decompiler50 1 exe hot" suggests cracked or unauthorized tools.

Many "ex4 to mq4.exe" files are actually viruses designed to steal your trading account credentials or install ransomware.

There’s genuine thrill in feeding a mysterious .exe from an unknown Russian forum into a Windows 10 VM, praying it’s not malware, and watching garbled assembly transform into if(Close[1] > Open[1]) ... It’s part escape room, part digital archaeology.

The decompiler becomes a key. A controversial key, yes — but in the lifestyle of a self-taught "coding trader," peeking under the hood of a profitable EA is the ultimate dopamine hit.