Dying Light on GeForce GTX480 (1920 x 1200 High)

My configurations: Gigabyte EX58-UD5 Intel Core i7 920 @ 4480 MHz 8 GB DDR3-1333 RAM Corsair M550 256 GB SSD Palit GeForce GTX480 1,5 GB with Arctic Accelero Extreme @860/1100 OS: Windows 7 Professional SP1 (x64) Drivers: ForceWare 347.25