You can watch the videos you have downloaded directly from your web browser. There is an imbedded Player in the Ant .com Video Downloader. So, to play a video press Player button on the toolbar.
For INTERNET EXPLORER browser you can play a video directly from the Download Manager by clicking Play button there after downloading having downloaded the video. You can also play downloaded videos with any media player suitable for .flv files. Just click 'Browse' on Ant Video Downloader toolbar to find a location of Ant.com folder and play videos from there.