The is critical software that allows the operating system to communicate effectively with the touchpad hardware. Without it, the touchpad may only function as a basic "PS/2 Compatible Mouse," losing all multi-touch gestures and specialized settings.
Beyond basic cursor movement and clicking, Synaptics touchpads support advanced multi-touch gestures designed to improve productivity: Synaptic Touchpad
Customize "tap-to-click" or "two-finger tap" for right-clicking, which can often be configured through Windows Settings or the Registry. The is critical software that allows the operating
Use two fingers to scroll vertically or horizontally through documents and web pages. Synaptic Touchpad
Two finger scroll not working on ASUS notebook - Microsoft Q&A
Many models support "tap and a half" gestures, where you double-tap but hold the second tap to drag an item. The Role of the Synaptics Driver