5KPlayer

5KPlayer is a mixture of free (MKV) HD video player for Windows and Mac, music player, DLNA & AirPlay compliant media streamer and online video downloader.  
 *   Play 4K, HD, MKV videos, DVD and radio with revolutionary design.
 *   Play MP3 AAC APE FLAC music perfectly to activate your sense.
 *   Wirelessly stream video music MP4 MKV via AirPlay & DLNA.
 *   Save online videos from 300+ video sharing sites.

See more at https://www.5kplayer.com/