After you paste links of all videos you need to the program, you can double-click a link to start downloading this vide from YouTube. If you need to download all or selected videos continuously, please refer to the following:
-Downloading all videos
Make sure you have checked at least one selection box before the file link firstly. Right-click on the program panel to choose Download All FLV Files. Then all files will be downloaded one-by-one. The downloaded file will marked by Complete, while the file readied to download is marked by Waiting.
-Downloading Selected Files
If you just need to download some of files in the downloading list, please check the selection box before them and then have a right-click to choose Download Selected YouTube FLV.