The phrase translates directly to “download YouTube videos on Mac.” It represents the action of saving video content hosted on the YouTube platform onto a computer running the macOS operating system. An example would be a user employing a third-party application to save a lecture from YouTube directly to their MacBook Pro’s hard drive.
The ability to perform this action offers several benefits, including offline access to content, archival of videos for future viewing, and the potential to use video segments in personal projects. Historically, users sought this functionality due to limitations in internet connectivity and a desire to control access to media. The need continues despite improvements in streaming technology.