For this video you'll need the Flash plugin (at least version 7) from Adobe, which you can download here.
If you're sure that a proper Flash player is installed, you can watch the video here.
Please note the following: if Quicktime or iTunes is already stored on your computer you can watch and listen to DW-TV videos directly by using your browser and clicking on the following link. If you want to store videos on your hard drive then right-click on the respective icon, select "save as" in the pop-up menu - and then save the video file. To play the videos you will need an MP4-compatible mediaplayer such as Quicktime or VLC.