VLC Player (formerly VideoLAN player) is free, open source software, which means it is free for everyone to use.
VLC Plays Any Video File
VLC plays almost any video or audio file without needing to install additional codecs. DVDs and CDs can also be played without a hitch.
Powerful Streaming Support
VLC media player lets you stream multimedia webcasts easily so you can watch movies on demand, capture live video, and listen to Internet radio stations.