Xcom: Enemy Unknown Not Launching Windows 11

Check the box for and click Apply . Force Borderless Windowed Mode :

Due to the game's age (released in 2012) and the transition to Windows 11, the most common causes for failure are compatibility issues with the DirectX version and new Windows security features. xcom: enemy unknown not launching windows 11

Windows 11 may not automatically install the older runtimes required by XCOM. Check the box for and click Apply