Would you like guidance on or finding open-source alternatives instead?
Many free and open-source EAs exist on GitHub. Search for "MQL4 open source EA" or "free MT4 indicator source code". You get the MQ4 file legally. Ex4 To Mq4 V4 0 224 1 Decompiler
Decompiling software is a legally gray area that depends heavily on your jurisdiction and purpose. Software decompile ex4 to mq4 Would you like guidance on or finding open-source