To play Windows Media Video, you need Windows Media Player. This player is standard on all PCs running Windows operating systems. If you do not have it or need to update your version, please download Windows Media Player 10+ from Microsoft:
http://www.microsoft.com/windows/windowsmedia/download/AllDownloads.aspx
Be sure to select the correct version from the drop-down menu at the top of the page.
If you have a Mac, you can play Windows Media Video files in Quicktime by installing this software:
