The builtin player supports multi-channel audio, subtitles, teletext and closed captions. All codecs are included, without the need for separate downloads. The builtin player can play any video and audio files, including MKV, MP4, AVI, MOV, Ogg, FLAC, TS, M2TS, Wv and AAC, as well as playback of network streams that are broadcasted via protocols HTTP(S), RTMP, FTP, BitTorrent, Ace Stream, etc. You should just select 'Open with Ace Stream Engine' when opening any video or audio content (including the content which is distributed with torrent-files) and then select a player (or a remote device) which you want to use for a playback. Ace Stream Engine is an utility for playing video and audio content from network sources or other applications in any available player as well as on remote devices.