A: No. Graininess is a hardware limitation of cheap USB 2.0 sensors. The best way to fix it is to increase lighting in your room, not change the driver.
The driver for your Hytech webcam offers:
For the , there is no single “best” universal driver because Hytech typically rebrands generic webcam hardware (often based on chipsets from Sonix , Generalplus , or SunplusIT ).
If your webcam isn't working immediately upon plugging it in, follow these steps to install the driver manually: