I can: download videos/music/channels/playlists/previews in different qualities from YouTube, play live without downloading in different qualities, extract description;
clone repo
git clone https://github.com/SkrudjReal/CLI-Youtube-Downloader.git
move to directory
cd CLI-Youtube-Downloader
install dependencies
pip3 install -r requirements.txt
run script
python3 youtube.py
remove .py from name of main script
mv youtube.py youtube
give script read/execute permissions
chmod +x youtube
move script to bin directory
sudo mv youtube /usr/bin/
run
youtube
You're welcome, now you cant download youtube videos with comfortable!