JDownloader's "LinkGrabber" tab should automatically detect the video stream. Right-click the link and select .

Because of these features, the "VidMoly download installer" is a highly sought-after executable file.

If you decide the software is not for you, remove it entirely.

The most important thing to know is that

A: Yes, but ensure you download the .dmg version. Note that macOS Gatekeeper may block it; you will need to allow apps from "identified developers" in System Settings.