I have been trying to find a functional Youtube downloader for some time now. I use it to record tutorials, and instructional videos to play offline.
It has been very frustrating, because so many of them don't function properly, (no audio ),and are much more complicated to use. Easy Youtube Downloader works great on my Win. 7 system.
I had a problem with it because I tried it on Win. Vista, and it separated the audio, and video.
I e-mailed the developer Dishita, and he responded promptly. I belive that his effort, and product are worty of financial support. I am sending him $20, and will consider the paid upgrade if I want mp3 ect.