If you insist on using your computer's default player, you might need to install the K-Lite Codec Pack . This "installs" the ability for your system to read the x264 and AAC data inside the MKV container. Troubleshooting the "King" Release

Verdict

Because an .mkv is a video file and not an application, you don’t "install" it in the traditional sense. Instead, you need the right to unpack those codecs (AAC and x264).

: This is likely a user-added keyword or a misleading suffix often found on third-party sites. Media files in MKV format do not require an "installation"; they are played using media players. About the Film: Directed by Mikhail Red,

: The name of the group or uploader responsible for this specific release. Installation and Usage