Stream .mkv videos to Apple TV
If you have MKV files downloaded on your iOS Device or Mac and want to play them on your Apple TV, you can download some third-party MKV players on your Apple device to play MKV files and then mirror videos to Apple TV. You just need to play the MKV files on your Mac or iOS device, and stream the display to Apple TV via AirPlay Mirroring. Once there are an iOS device and Apple TV available to you, let me tell you how to how to activate AirPlay Mirroring with a picture.
Just open the “Airplay” on your iOS device, then choose “Apple TV” and enable “Mirroring” to begin to play MKV on Apple TV. In this way, you can stream MKV to Apple TV successfully.