Well I think this is an easy way.
Once you are on the page with the youTube video you want to download, go to the URL box address and replace the word “youtube” by “yobajo” (this means I download in Spanish). This will download the video on a Flash file to your computer, which you can later store in your pendrive.
It is only necessary that you have some software installed which reads the files with extension .flv.
You can download and use Real Player, which reads it.
There are also some other software like:
FLV PLayers
FLV Player
VLC player
If you have some other software to watch videos and it doesn’t read this kind of files, you can also use a converter to convert your file to some other format with some of the following software, like one of the follwing:
Riva FLV Encoder
Total Video Converter

My choice would be Real Player though
Sorry to be so late

Here’ s my blog. I hope you like it.

https://margarimb.wordpress.com/