You can purchase and download it directly from Steam .

Many fans prefer the community-made , which merges content from the original 2004 game and the Réalta Nua console ports.

This typically requires downloading the Japanese Réalta Nua files (often found second-hand on sites like eBay or Amazon Japan ) and applying a specific Ultimate Edition patch. 3. No-Download Option: Web Version

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