Download and install yt-dlp.exe from GitHub. Install FFmpeg.

Download video:

yt-dlp “https://www.youtube.com/watch?v=VIDEO_ID”

Audio only:

yt-dlp -x –audio-format mp3 “https://www.youtube.com/watch?v=VIDEO_ID”

List available formats:

yt-dlp -F “https://www.youtube.com/watch?v=VIDEO_ID”