NVIDIA System Utility is the ideal program to have access to the supervision and the adjustment of the system components.
The program offers access to temperature and voltage with clear and easy to use control panels.
Another quality is that it over synchronizes the system for a higher performance or underclock, and it carries out a silent operation.
But it is not complicated as all the changes are made inside Microsoft, in one window and with the interface to make changes so you satisfy your necessities.