Download Youtube Online.
Need to look this amazing free software. You probably have now the easiest way to save and play on your computer any video. It is very simple to use it. If you don't need the instructions click here : http://www.downloadyoutubeonline.info
1) From this video, click on the link you see above in this "More info" section.
2) On the software page, click on "Download Now" and install the player on your computer.
3) Go on Youtube and pick the URL of your favorite video.
4) Open your player and paste the URL on "Menu", "Open URL".
5) Click on "Menu" then "Save as" to save your video on your computer.
Now, you can repeat this process as many time as you want. You're free to look at your videos whenever you want even without internet access.
If you want find the only player that allow you to both download and play any video from youtube, this is it.
Click here : http://www.downloadyoutubeonline.info