To run Battlefield 4 smoothly on a weaker system, use these critical adjustments: :
: Set your Windows Power Plan to High Performance or "Ultimate Performance" to ensure the CPU isn't throttled.
: Increase to 100% to make enemies more visible in dark areas.
: Use tools like "Core Parking Manager" to ensure all CPU cores are active during gameplay.
: Set most options to "Low" or "Off" to maximize FPS.