Official patches handled this, but many pirated versions are stuck in 4:3. The Best Way to Get It Today If you want the game for free (or close to it) legally:
Additional missions and multiplayer maps. Why You Shouldn't Use "Free" Sites Far Cry 2 Fortune’s Edition Free Download
Two additional rugged vehicles to help you navigate the brutal terrain. Official patches handled this, but many pirated versions
Their version is DRM-free and specifically patched to run on Windows 10 and 11. It frequently goes on sale for under $3.00 . Official patches handled this