The is a small developer-sanctioned patch that comes pre-installed on modern storefronts like Steam . Its primary functions include:

A critical look at reveals its role as a legacy maintenance patch for Arkane Studios' 2002 immersive sim. Released officially on May 28, 2020, to celebrate Arkane’s 20th anniversary, this version serves as a "bridge" between the original code and modern hardware. Core Technical Profile

Arx Fatalis Patch Notes - May 28, 2020 * Updated to run on Windows 10. * Stability improvements. * Various bug fixes. Arx Fatalis General Discussions - Steam Community

Updates the game engine to run natively on Windows 10 .

Stable rune drawing and improved inventory scrolling compared to older vanilla versions. Deployment and Usage