Play MP4 video files with a free software.Install with a few clicks and start to run it. Open media files and play movies in .mp4 format.Is free,small and reliable. A fast and easy to use tool. Free MP4 Player is a simple player that can find and install correct codec if you do not have on your machine and play mp4 file. It is simple to use and easy to install, It allows you to open and play an mp4 video file within three click.