User blog comment:Jackboog21/Yandere Simulator 2D Pre-Alpha 0.1.5 (Fangame)/@comment-27974523-20151101213931/@comment-8846246-20151101225720

Unless you're on Mac, this is how.

1. Download 2. Double click on the game. 3. Play

If you're on Mac, you have to use something to start the game. I'm not sure what it's called anymore.