Open Bluetooth Devices.
From the Windows 8 or 10 desktop, navigate: Right-click Start > Control Panel > In the Search box, enter "Bluetooth" then click "Add a Bluetooth device".
From the Windows XP or Vista desktop, navigate: Start > (Settings) > Control Panel > (Network and Internet Connections) > Bluetooth Devices then click Add.
Ensure the device to be paired is set up and visible to nearby devices.
Refer to the instructions on enabling discovery mode for your device.
For assistance creating a paired connection to a Bluetooth headset refer to the Bluetooth® FAQs.
When the device appears on the PC screen, ensure the desired device is selected then click Next.
If you don't see your device, make sure it is turned on then click Search Again.
Ensure passkeys match then click Next.
If presented with "Let me choose my own passkey", enter a passkey then click Next (It's recommended to use a passkey that is 8-16 digits long).
On the handset, follow the on-screen instructions to allow pairing.