Increasing the size of text and the user interface in X-Plane 11
If X-Plane is displayed full screen or in a window that is larger than 1920×1080, you will have the option to increase the size of text and the interface. This is especially helpful for those with large, high resolution 4k or 5k monitors. Go to the Graphics tab of the Settings window and find the “User Interface Size” drop down menu near the middle of the window. Set this to 150% or more to increase the size of the text and interface throughout the simulator.