Assuming you have found a legitimate code (purchased or won in a giveaway), here is how to apply it correctly to ensure "best" performance:
CPU Core Parking is a power-saving sleep state (C6) supported by most modern processors and Windows versions. While beneficial for battery life, the latency involved in "unparking" a core can cause micro-stutters in high-performance tasks like gaming or real-time audio processing. ParkControl parkcontrol activation code best