How can I compile CADRays

I'm sorry for my question but I dont know how to do it. I want to download CADRays source code and I want to compile it and I want to use it exe.
I am so sorry again for my question but I didnt compile any source code yet and I dont know how to do it. Can somebody tell me how to do it
and what I need to do it? And is it easy or not?