Go to the in-game settings menu. You should see options for your monitor’s native resolution (e.g., 1920x1080).
The Settlers 3 uses a "static" UI. This means if you play at 4K (3840x2160), the icons and text will become microscopic. settlers 3 widescreen
The Settlers III is a timeless masterpiece of the late 90s strategy genre, but its original release never anticipated the massive, high-definition monitors we use today. By default, the game often looks stretched, blurry, or confined to a tiny box in the center of your screen. Go to the in-game settings menu