: Click the Paste Link button in the top-left corner of the app.
: Activating a license key removes download limits and allows for simultaneous batch downloads. 4K YouTube to MP3 Pro v4.5.2 For Mac
: Get the installer from the official 4K Download website and drag the app into your Applications folder. : Click the Paste Link button in the
: Beyond YouTube, it supports extracting audio from SoundCloud , Vimeo , Twitch , Facebook , and Bilibili . it supports extracting audio from SoundCloud