To install it right away for all UNIX users (Linux, OS X, etc.), type:
- sudo curl -L https://yt-dl.org/latest/youtube-dl -o /usr/local/bin/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
If you do not have curl, you can alternatively use a recent wget: