How to convert and download a YouTube video:
1. Paste your YouTube URL in first input box.
2. Enter any file name in second input box (this rename is optional).
3. Select the any radio button OR quality (320Kbps, 128Kbps, 720P, 1080P) for the conversion.
4. Press the 'CONVERT' button.
5. This may take several minutes. After the conversion is finished you can download the converted file.