youtube video download mp4How can I download youtube video to Mp4 format, but in the new website of it? I spent like 5 hours to search!?

Hi,i suggest you use a youtube downloader. you can this leawo free youtube downloader. after you finish download it you still should convert it to other popular formats such as wmv,mp3,mp4, avi,3gp,3gp2 etc. downlad it freely here --------------------------
For Windows:
For MAC:
all can be completed by several mouse clicks, just havyoutube video download mp4e a try.
this will help you... use 'zillatube' - it gives you good quality video/audio and more ( and can give you good quality MP4, MPG, MP3, etc and more video/audio format)
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it is the easiest (and also the fastest) way.

Zillatube easily download videos from Youtube... to your computer, and more (e.g. it will help you convert them, or youtube video download mp4just watch them easily anytime you want).

It works very well -
You could try VDownloader. It's 100% free and has more features than any other YouTube downloader out there. It lets you download and convert videos from YouTube and other websites with only a single click to any possible format including MP3 and MP4.