cons: can't download live stream
2. 4K video downloader
Pros: can download live stream
https://www.4kdownload.com/
https://www.azofreeware.com/2019/12/4k-video-downloader.html
https://www.azofreeware.com/2019/12/4k-video-downloader.html
3. python script youtube-dl
[ref] http://icekuo.blogspot.com/2019/09/python-youtube-dl-youtube.html
[ref] https://askubuntu.com/questions/486297/how-to-select-video-quality-from-youtube-dl
[ref] https://yogapan.github.io/2017/08/16/Youtube-dl%E6%BF%83%E7%B8%AE%E6%95%99%E5%AD%B8%E7%AD%86%E8%A8%98/
[ref] https://github.com/MrS0m30n3/youtube-dl-gui
Pros: can download live stream
CMD:>> pip install youtube-dl
CMD:>> pip install ffmpeg
CMD:>> youtube-dl -f best https://www.youtube.com/watch?v=19g6IHsfsyY
PS. GUI version:
