Synaptic Touchpad -

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

Use two fingers to scroll vertically or horizontally through documents and web pages. Synaptic Touchpad

Customize "tap-to-click" or "two-finger tap" for right-clicking, which can often be configured through Windows Settings or the Registry. Many models support "tap and a half" gestures,

Pinch or stretch with two fingers to zoom in and out of images and maps. Synaptic Touchpad

Two finger scroll not working on ASUS notebook - Microsoft Q&A