I just used it. It was easy enough to edit/remove metadata, which is all I want to do for now. It reminds me a bit of a Windows 95 era app, which is the time period when I became acclimated to Windows software.
Anyway, it took just a few seconds to do what I want to do. I’m still quite baffled why removing/editing metadata in a mp4 is unsupported in Windows. It seems like such a basic thing.