After a few weeks went by, Microsoft has finally confirmed that MKV support will come with Windows 10 and you can see the tweet below that makes it official.

Congrats @neowinfeed for spotting MKV playback in Media Player in 9860. I can now make it official: Win10 supports MKV codec out of the box.

— Gabriel Aul (@GabeAul) November 1, 2014

If you want to test out support for MKV on your install, you can download a sample video fromJellyfish. After the file downloads, when you open it up, Windows will ask you what app you want to use to open this type of file with; select Windows Media Player. After you select WMP, a warning will pop up saying that the player does not support this file but if you click 'Yes', the file will then play without issues.

 

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