Turn on your Xbox Gamepad
Connect it to your PC with a USB cable
Or press the Xbox button to turn on the controller
Press and hold the Pair button on the controller until the Xbox button flashes
On your PC, open Bluetooth settings
Turn on Bluetooth if needed
Select Add device
Choose Bluetooth
Select the Xbox Gamepad from the list
Wait for the connection to complete
Open a game and test the controller
If needed, update Windows and controller firmware