1. First, unpack the Microsoft folding keyboard. When the keyboard is unfolded, the power will be turned on automatically.

2. Then you can see on the keyboard that this keyboard has two device keys, device 1 and device 2. You can remember the one-key switch between two devices and enter the Bluetooth digital pairing code on the keyboard according to the prompt.

3. Finally, on the far right side of the keyboard, there is a switch button for different system compatibility modes. Every time you click on the system icon on the button, there will be a backlight prompting the system compatible with the current mode.