Turn on Bluetooth on your PC
Put the PS4 controller into pairing mode by holding the PS and Share buttons until the light bar flashes
Open Bluetooth settings on your PC
Select Add Bluetooth or other device
Choose Bluetooth
Click Wireless Controller when it appears
Confirm pairing if prompted
Use a USB cable instead if you want a wired connection
Install Steam or DS4Windows if a game does not detect the controller
Set the controller as the input device in the game settings if needed