When it comes to playing videos on your computer VLC media player is a popular option due to its wide support for various video formats out of the box. Unlike other media players, including those that come bundled with your computer, it can play most common digital video formats without the need to download additional video codecs. This makes it a great video player for those who just want to start watching the video without having to worry about configurations and third party software.
VLC is open source so it is free to use and its simplistic interface also makes it easy to use. The VLC media player is available for Windows, Mac and Linux and can be downloaded here.