Play FLV files
On2 has released the FLV playback DirectShow filters with the demo version of Flix Pro. This will let you play FLV files in any DirectShow Player, like Windows Media Player or Media Player Classic. You need to download the Flix Pro demo from www.on2.com and install on your machine to get the FLV playback DirectShow filters.
Please see Vanderhuge Flash Video Blog: Play FLV files in Windows Media Player Tutorial for instructions on how to also play H.263 flv files.
