On some occasions due to the slow speed of your internet, it is not possible to watch a video from YouTube with high quality, but you can play a lower quality version easily, yes its .3Gp I am talking about. If you want to download a YouTube video, you can see this article.
Its very easy, you need a web browser, vlc media player and latest versions of flash player installed(no need for chrome users)
1. Just select the video, that you want to play(actually every video got a unique id no. and we need that.)
2.now at the address bar paste this url
just change the VIDEO_ID with your video id code and press enter
3. now right click on the thumbnail, and copy link address
4.its like 75% of the work is completed, rest is just as simple as it can get.
Open your vlc media player>media>stream>network
Now paste the url there in the box, then press the “stream button”
Wait and see, the video is playing. Don’t complain about the quality, its .3Gp and its like that!