How to: Using YouTube HTML5 Video player (Beta)

You need to follow steps below to play YouTube video in HTML 5 video player:

1) Visit http://www.youtube.com/html5#
2) Make sure following are verified and get a tick mark for them.

             a) Video tag
             b) h.264
             c) WebM

3) Check with your browser version with supported browsers
4) Click the link "Join the HTML5 Trial" located at the end. This link now gets changed to "Leave the HTML5 Trial"

Now, you are ready to use HTML 5 video player for YouTube. Next time, when you open a YouTube video, it will be displayed in HTML 5 video player

To get back to Flash video player, visit above URL and click on "Leave the HTML5 Trial" link

All the best!