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 . resident-evil-1-pc-game-free-download-full-version
The original 1996 was recently released officially on PC via GOG.com , making it the most reliable way to get the full version for modern systems. While many legacy "free download" sites exist, they often host outdated, unstable, or potentially unsafe "abandonware" versions that require extensive patching to work on Windows 10/11. 1. Official Purchase (Recommended) If you are looking for the modern "HD"
Whether you use the official GOG version or a legacy PC copy, fans have created massive "Remaster" mods to improve the 90s visuals: Enhancing the Game with Mods
: Includes all four localizations, improved DirectX rendering, windowed mode, and full controller support. 2. Enhancing the Game with Mods