However, the free program youtube-dl can download any available YouTube video format to your computer, including the HD version. Youtube-dl can be downloaded for free at the youtube-dl website. Click the Windows exe link to download the program.
HD 53 18:30 
HD 40 16:24 
HD 64 10:00 
HD 45 05:17 
HD 41 07:49 
HD 52 11:10 
HD 69 10:25 
HD 36 17:48 
HD 32 09:38 
HD 24 10:05 
HD 31 01:48 
HD 45 15:07 
HD 23 02:55 
HD 32 10:48 
HD 51 15:11 
HD 72 10:27