MKV Player is a very easy to use video player. It is a free, but ad-supported MKV playing application that's easy-to-use and light on system resources.
Here are some screenshots to illustrate the features and user interface of this application:
Load and play MKV files as the name suggest, but even a few more video and audio formats. Screenshot of MKV Player - 2069px · 1235pxLightweight and easy to use. Screenshot of MKV Player - 2069px · 1235px