question about releasing for testing

When we release a game to be tested, then modify it and release it again(in the course of working with the tester), does the new release file automatically replace the older one saved on the computer, or is another file just created? I would assume that the file is replaced, because I’ve only been able to find one file in one Release folder on my computer(for one game), so am I right?


Indeed, it replaces the older one.

Thanks, Daniel.