Look for or CSR Wireless Stereo Adapter under that category.

Right-click the setup.exe or install.exe file and select Run as administrator .

Once you know your chipset, download the specific 32-bit (x86) version: Adding a Bluetooth dongle to Windows 7 - Microsoft Q&A 31 Jan 2015 —

Look for the Realtek Bluetooth Bluetooth 5.0 driver package. Many reputable PC manufacturers (like Lenovo, HP, or Dell) host these driver packages on their support sites for older business laptops that shipped with Windows 7.

: Uninstall any existing "Bluetooth Radio" entries in Device Manager.

Since Windows 7 does not natively support Bluetooth 5.0, you must install the driver manually.

You will need the CSR Harmony Wireless Software Stack .

This article provides a verified, safe path to getting your Bluetooth 5.0 dongle working correctly on 32-bit Windows 7.

Click , choose the specific Bluetooth 5.0 model from the list, and hit Next to force install the software. Restart your PC when prompted. Method 3: Utilizing the Windows Update Catalog

How to Install Bluetooth USB Dongle 5.0 Drivers on Windows 7 (32-bit)