After reboot, you should see a Bluetooth icon in the system tray (hidden, click the up arrow). Right-click it > "Add a Device" to pair your hardware.
While it may work with Windows 7, 8, or 10, it often requires manual driver updates to function correctly. Third-Party Updates: Bluetooth 2.0 Hk-750 Driver Download
Since many of these adapters use Widcomm chips, generic Widcomm Bluetooth software is often the most reliable fix. Compatibility: After reboot, you should see a Bluetooth icon
Once you have downloaded the driver file (usually a .ZIP or .EXE file), follow this installation procedure. This is critical, as simply double-clicking the installer sometimes fails if the OS version is too new. Bluetooth 2.0 Hk-750 Driver Download
Since official links rot over time, many users rely on trusted driver archives.