How to install youtube-dl on Mac OS

• Install youtube-dl,

sudo curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl
sudo chmod a+rx /usr/local/bin/youtube-dl

• Install ffmpeg which is useful to merge media streams,

• Download the static snapshot from https://evermeet.cx/ffmpeg/
• copy ffmpeg binary to /usr/local/bin,
• sudo cp ffmpeg /usr/local/bin/