Steps to do , to view your youtube video or any other video, 200% faster:
1> go to the link www.youtube.com/feather_beta , and click on join Feather beta,,(this will reduce some of the unwanted features of youtube like comments and ads.
2> another thing which you can do is , right click on desktop,, select properties, go to setting
advanced >- troubleshoot>- and set hardware acceleration to none