A – HOW TO DOWNLOAD AND INSTALL Video DownloadHelper 4.6.4 firefox plugin:

Video DownloadHelper 4.6.4 is available here.

If you don’t know how to install it, please read my post on How to install firefox plugins

B – HOW TO USE Video DownloadHelper 4.6.4 firefox plugin to download any youtube video as .flv or .mp4 video file:

Step 1. Open a youtube video. I’m opening the following url for this example: 1,000,000 Subscribers!!!

Step 2. Click the down arrow next to DownloadHelper Icon on firefox toolbar. It should look something like the snapshot below. Basically you need to select the type of video that is available for download and click “Download” on the menu.

Video DownloadHelper Download Menu

Step 3. Select the folder where you want to save the video and click save. The video file will be saved in the folder that you selected. Enjoy the video!

DONE!

If you don’t know how to play .flv files you might want to try this free flv player: Applian Technologies FLV Player FREE

There is also another method to download youtube videos: How to download youtube videos using keepvid.com