You can purchase and download it directly from Steam .
It allows you to toggle between censored and uncensored content, choose between different soundtracks, and use the fan-translation if preferred. Fate/stay night Download PC Game
If you don't want to install anything, a fan-made web version allows you to read the entire original visual novel directly in your browser. It includes music and voice acting, though some users find the browser-based experience less immersive than a local install. How To Install The Fate/Stay Night Visual Novel You can purchase and download it directly from Steam