# 6 . KMPlayer ★★★ Platform : Windows & Mac License : Free The final best 4K media player is the famous KMPlayer . At first , it only serves for Windows users . But in April , 2016 , a Mac alpha version was released for Mac users with OS X 10.6 or later operating system . It supports for a wide range of file formats and can play videos in superb quality , including 4K UHD . According to the description in its official site , the PC edition only works on Windows 2000 / XP / Vista / 7 ( 32bit ). If you need a 4K video player for Windows 10 , 8.1 or 7 ( 64bit ), you ' d better choose another program , such as BlazeDVD .