Youtube now supports High Defination quality videos which means that you can view super high quality videos online, but youtube does not offer you to download these videos directly which is the reason you need to look for different ways using which you can download the videos directly to your PC. You can even convert these videos into MP4, FLV or 3GP format and transfer to your mobile phones.
The higher quality videos are converted in Apple’s Quicktime MP4 Player and lower resolution youtube videos can be played in FLV format with the help of FLV player.
Surf through the Most Viewed HD Videos in Youtube here and select one of your favourite video. In the right side you would find the URL tab with the direct access link to this video.
Thats it, you will be given with 4 different quality download options which can help you download the video directly to your computer.