========
MP4 480p
========
yt-dlp -f "bestvideo[height<=480][ext=mp4]+bestaudio[ext=m4a]/best[height<=480][ext=mp4]" --merge-output-format mp4 "URL"

========
MP4 Best
========
yt-dlp -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best" --merge-output-format mp4 "URL"

