[Rehan]

Then you should now at least basics about C# and C++ languages (also JAVA) and how to compile and decompile them....maybe then you could make your own applications or modify others one!!!!
Still there are many languages in which application can be written like python....most used language for hackers!!!! It's very interesting language and easy to understand!!!!

Thanks for the reply. btw is that answer of my question? No that is not my answer.I know about programming languages and i will learn them.For now i want to edit a program.So i were asking about how to get codes of a exe application.

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You want to modify code inside executables? This is not entirely possible. Executables are machine code and not any of the programming languages the humanity knows. Compilers translate the programming languages we know into machine code and provide these as executable files.

I said "not entirely" because there are certain things that can be edited through Hexediting programs and Reverse Engineering like text parts or hex codes. Reverse Engineering is however a really hard thing and requires far more than just programming language knowledge. You need a lot of experience to reverse engineer the source code of a application from its files.

There are however programming languages like Python or Java that are compiled at runtime. So you can still see the source code in the respective .py and .java files. These files are sources for the runtime compilation process. Programs written in these languages aren't stored as .exe executables.

Thanks for the such a great information.Actually i want to edit a Multiplayer game trainer.I am not sure but trainer is very simply coded.I think i can edit that trainer because i can easily script multiplayer server script.So i was asking about accessing the codes.