Right, I've bought an Apple TV 4K! I have a 28.99GB H.265 5.1 Atmos MKV file of Linux tutorials that I would like to play on it, sitting on my MacBook. What i

Right, I've bought an Apple TV 4K! I have a 28.99GB H.265 5.1 Atmos MKV file of Linux tutorials that I would like to play on it, sitting on my MacBook. What is the most painless way to play it on the Apple TV with no loss of quality (other than the surround, which will be played on 2.0 speakers anyway).