Yes, you can download individual YouTube videos using IDM. Unfortunately, IDM does not support automatic downloading of multiple YouTube videos. In other words, IDM does not support downloading YouTube playlists or YouTube channels.
The following description is from the official website of IDM:
Internet Download Manager can record and download FLV videos from popular sites like YouTube, MySpaceTV, and Google Video. The best way of downloading webpage embedded videos from the Internet is here. After installing IDM, “Download This Video” button pops up whenever you are watching a video anywhere in the Internet. Just click on the button to start downloading clips.
Source: “Internet Download Manager Feature”, http://www.internetdownloadmanager.com/features.html, retrieved 10/20/2012.Notice the green “Download This Video” button in the left upper corner of the page.
As a result, you need another program called Free YouTube Download . In a previous post of mine, I explained how to use it to download YouTube playlists or YouTube channels . Recently, in an indication of how good this program is, this post has become the second most common generator of visitors to my Blog; 15.0% (1,010) of all visits to my blog during the last 3 months.
To download this program and to learn how to use it, please visit the following post: