Park Control is a CPU parking and frequency scaling software. From which you can increase the performance of your CPU. This tool uses the power of the Power supply. And it increases the performance of your CPU. Get many options manually, which does not give Windows up by default; it is mostly used in old computers and those CPUs that are quite old. This is used to set them manually
If you want to use this tool or increase your CPU performance without using it, then you can watch this video.