youtube-dl -f best 'http://www.youtube.com/watch?v=P9pzm5b6FFY' code example

Example 1: youtube-dl https://www.youtube.com/watch?v=XHeYLFjwCL8

youtube-dl https://www.youtube.com/watch?v=XHeYLFjwCL8

Example 2: youtube-dl

youtube-dl -o "%USERPROFILE%\Desktop\statquest\%(autonumber)s-%(title)s.%(ext)s" -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/bestvideo+bestaudio' --merge-output-format mp4 https://www.youtube.com/playlist?list=PLblh5JKOoLUICTaGLRoHQDuF_7q2GfuJF