Windows 10 system, start - set (the icon of the gear shape) - device - mouse and touchpad - off.
Keep the touchpad open when you connect the mouse, so you can turn off the touchpad.
Download the driver from the official website and install it under the license, or when you buy a computer, there is also a CD.
Install the synaptics pointing device driver driver.
The button on the right side of F12 can be switched.