: You can find it on the Resident Evil GOG Store Page .
: Includes all four localizations, improved DirectX rendering, windowed mode, and full controller support. 2. Enhancing the Game with Mods resident-evil-1-pc-game-free-download-full-version
If you are looking for the modern "HD" version (the 2002 remake), it is widely available as a separate product: : You can find it on the Resident Evil GOG Store Page
Whether you use the official GOG version or a legacy PC copy, fans have created massive "Remaster" mods to improve the 90s visuals: improved DirectX rendering