Many older decompilers, including likely version 4.0.406, were designed as . This means they do not require a traditional "installation" with registry entries and start menu shortcuts. You may simply run the exe file directly from the extracted folder. There is no "installer" to run. If the RAR archive does not contain an installer (like setup.exe ) and only contains the decompiler executable, then the "install" process is merely extracting the RAR file.
However, these terms seem to be a mix of: ex4tomq4 decompiler 40406rar diplomes savvy patrol install
: Use reputable platforms to hire a MQL4 developer to recreate the logic of an indicator you own. Many older decompilers, including likely version 4
: If you purchased the indicator or robot, reach out to the developer. They can supply the updated source code or a new compiled version. There is no "installer" to run
Even if the decompiler works, the resulting MQ4 code is often "junk" code. Variable names are lost, and the logic can be subtly corrupted, which is dangerous when you are trusting that code to manage real money in the markets.