: Ensure your NVIDIA or AMD graphics drivers are up to date. Using tools like the NVIDIA App or the AMD Software: Adrenalin Edition can automate this process. Advanced Performance & Crash Fixes

Ensure the game executable ( FarCry4.exe ) and your launcher are set to "Run as Administrator." This ensures the game has the "Write" permissions necessary to save files to your C: drive.

Navigate to C:/ProgramData (enable "Hidden Items" in View settings to see it).

Navigate to the Video Settings menu and change Lighting to "High" or "Ultra." Settings below "Medium" can sometimes cause the global illumination to break on newer GPUs.