Method / step 1:Click the Bluetooth icon at the bottom of the computer desktop (if you don't see Bluetooth at the bottom of the screenIcon, click the up arrow icon to see, select "add Bluetooth device".Method / step 2:In the "Bluetooth and other devices" setting interface, click "add Bluetooth or other settings"Ready ".Method / step 3:In the "add device" interface, click "Bluetooth", and the system will search the nearby Bluetooth that can be addedAt this time, pick up the Q3B Bluetooth mouse and turn the pairing switch to the Bluetooth icon positionTo release it for 3 seconds, the LED on the front of the mouse will flash, and the Bluetooth mouse willWill be searched by the computer; find "5.0 mouse" in the addable Bluetooth device(at this time, you can release the pairing switch of the mouse, and the pairing switch will pop back to the on icon.),Click once, and the Bluetooth mouse will connect to the computer later.