The synaptics Pointing Device Driver will allow you to add some advanced feautures to your laptops pad. You will be able to adjust the sensibility of the pad, as well as the tapping speed. You can also configure the corners of the pad as buttons in order to launch different applications with them, besides this feature you can also program the real buttons of the pad to specific applications.
It will also allow you to use the pad as a virtual scrollbar. Another feauture added is Edge motion wich allows the pointer to keep on moving even if your finger reached the edge of the pad. The configuration can be accesed by double clicking the Synaptics icon in the taskbar. It is really easy to install and the generic drivers can be downloaded from Synaptics web page, where you can find the drivers for all windows platforms in all languages. It can also be found at your systems manufacturer website, since the device driver should meet some specific requirements from your device manufacturer. The installation of the generic device drivers can make you loose some of the customized Synaptics pointing device functionalities.