26 Documentation When you use the various mode setting functions, the mode is not immediately applied, much like you would expect from a PC game settings menu. Meanwhile, our latest virtual production toolset is poised to change the art of filmmaking, while new developer-focused tools help you squeeze every ounce of performance out of your hardware. Run Tiberian Sun from this shortcut to run in windowed mode. then, in the first game window, select: in MAIN MENU -> HOST.