How to download 4k video from YouTube

brew install yt-dlp

yt-dlp -f "bestvideo[height=2160]+bestaudio" https://www.youtube.com/watch?v=bON-KPiiNCk

yt-dlp -f "bestvideo[height=2160]+bestaudio" --cookies my_cookies.txt https://auth.site/secret-video

Links:

• yt-dlp  https://github.com/yt-dlp/yt-dlp
• Get cookies.txt LOCALLY https://chromewebstore.google.com/detail/get-cookiestxt-locally/cclelndahbckbenkjhflpdbgdldlbecc