Step-by-Step:

HiDownload offer "Flv Filter" feature in HiDownload 7.0 or Higher version , help you get the http URL(.flv, .mp4, .mp3, .f4v, .mov, asx, wmv, asf, smil, smi, ram, rm, ...) of music, movies, and most videos.

1.Run HiDownload, select "Tools -> Flv Filter" menu.

2. open "Flv Filter" window, input the play address of flv video, then press <Go> button

3.wait a moment, then you can find the URL in the list.

4.Select the item, click <copy> button and open HiDownload "Add" window to download it.