How to change code of .exe file?

Question

assembler

What program can be used to open the .exe of a C# project in order to change the assembler code a little later?

Answer 1

ILSpy can help you recover your C# source code, which you can modify and recompile into a new build. https://github.com/icsharpcode/ILSpy

Answer 2

dnspy
​​only there is not assembly code, but common intermediate language

Answer 3

it's easier to find a programmer and ask for the source code