To play XviD videos you first need to install the XviD codec on your computer. To install the XviD codec, simply download the latest version of the codec available for your system and follow the installation instructions:
XviD codec v1.1.0 for Windows (628KB) (by Koepi)
After you’ve installed the XviD codec on your system, your media player of choice should be able to play all XviD movies and videos. If you run into any problems, please refer to the XviD FAQ for solutions to common XviD codec installation and playback problems.