QUOTE
youtube site has many interesting videos, sometimes we need to download it for other use, as we know the downloaded youtube video is flv format, then how to convert it to other formats such as AVI, wmv, etc. Actually, many converters can do this, and here is a leawo free flv converter.
Step. 1. Download and install leawo free flv converter to your computer
Step. 2. Open Leawo YouTube Download to download FLV from YouTube.

Step. 3. You will get below window, after clicking “Download FLV” bottom.

Step.4. Choose the wanted video for playing and downloading

Step.5. Get URL of the wanted video

Step.6. After clicking the “Download” bottom, you will get below window.

Step.7. The video is being downloaded.

After downloading, the video will be converted to AVI automatically by Leawo Free FLV Converter.

Step.4. Choose the wanted video for playing and downloading

Step.5. Get URL of the wanted video

Step.6. After clicking the “Download” bottom, you will get below window.

Step.7. The video is being downloaded.

After downloading, the video will be converted to AVI automatically by Leawo Free FLV Converter.

