Thanks to TubeDownload, a free application for Windows, we'll be able to download any video from Youtube to our PC in a matter of seconds. By that way, we will be able to view those videos even if we are not online.
The application works really well and it's not difficult to use. You only have to copy the URL given by Youtube and paste it in the text box of TubeDownload. Then, choose the destination folder and even the format of the downloaded video, as well as the quality (standard, HQ or HD), wait for a few seconds while it is downloaded and enjoy it.
If you like Youtube and you want to share all those videos you like, TubeDownload will power up your Youtube experience.