Play any video extension, this is a powerful tool myself with an inbuilt viewer for encoded movies and similar file formats.
If you continue to use this site we will assume portugues that you are happy with.
Its official forums refer to it as "The KMPlayer.".
It comes with an inbuilt kmplayer for windows 8.1 64 bit codec to support all the multimedia functions.
The software has multi-language support: more than a dozen with the possibility to get more.