Requirements:

The Bluetooth adapter should be listed in device manager as follows.

The best results are achieved using the Generic Bluetooth Radio driver. Most standard Bluetooth adapters can be used with this driver. The driver is supplied with Windows. It is possible to change it afterwards by updating the driver and selecting it manually.

Add device 

Devices can be added under the control panel section Devices and Printers under Add Device .

Windows displays a list of available devices. Set the Bluetooth device to visible mode beforehand, as described in the manual.

Check device

The device is now listed under Devices and Printers as well as underBluetooth Devices:

Other entries should be under Connections in Device Manager: