mod. While the 2014 "Ultimate HD Edition" on Steam has native mouse support, many players find it clunky due to forced mouse acceleration and limited turning options. Steam Community Recommended: re4_tweaks Mod
Here are some tips and tricks to improve your gaming experience with mouse support in Resident Evil 4: Download Resident Evil 4 Pc Mouse Support
The re4_tweaks mod is widely considered the essential patch for modernizing the game's controls. Download Resident Evil 4 Pc Mouse Support