Advanced Control Panel and Profile Editor for nVidia cards nHancer is a tool to improve the usage of these features. Both normal and advanced users should find nHancer to be a big step forward. Additionally, nVidia drivers include a unique feature, that allows them to define profiles for every game, which control various image quality, compatibility and optimization aspects. But in the standard control panel, this feature is even more cryptic to use, so most people never bothered about it. Download Source: PCGH