如何由UTUBE下載MP4到電腦?

Youtube Downloader HD

Very simple and easy :
- download the above software to your PC
- open the youtube video you want to downlaod
- right click the link of the video with your mouse (eg. https://youtube.be/9zE9dfZD-64)
- paste the link (or 自己打條link 上去) to the Youtube Downloader HD
- start downloading
-OK

用this website

http://keepvid.com/

copy youtube video 既link to the blank

then download