Many users on forums (Reddit,EA Answers) report that without a 64-bit OS, FIFA 15 locks to 35 FPS regardless of hardware. This is due to the 32-bit memory heap limit causing frame buffer bottlenecks. To fix this, you need to:
Even with 32-bit limits, you can achieve a steady 35-40 FPS if you follow these tweaks: fifa 15 windows 7 32 bit 35
While the user requested a 32-bit setup, the following are the actual minimum specs required to run the game as intended by : Operating System : Windows Vista/7/8/8.1 ( 64-bit only ). Many users on forums (Reddit,EA Answers) report that