What does this video explain or reveal to the viewer?

Could you please clarify what this video belongs to, and what the main goal of your guide is? O'Fox Life on Steam

If this is a game file, does it require the player to do something immediately before or after it plays?

If you are trying to mod or fix a game (such as the broken achievements fix often associated with the game O'Fox Life on Steam), note the exact folder where this file must be placed.