: Use a versatile media player like VLC or MPC-HC , which can handle the MKV container.

: Indicates the video resolution is 720p High Definition (1280x720 pixels).

: You can use tools like MKVToolNix to inspect the file's contents or add/remove subtitle and audio tracks.

How to get full HD 3D frame packing from a PC or a Mac in 2023

: Suggests that this is the complete video or "full version" rather than a clip or highlight. What it likely refers to