If you don't have the official installer, you can install the driver manually through the Device Manager Microsoft Learn Adding a Bluetooth dongle to Windows 7 - Microsoft Q&A
When the installer prompts you to plug in the device, insert your Bluetooth 5.0 USB dongle into a USB port.
Go to the tab and select Hardware Ids from the dropdown. Look for VID_0BDA (Realtek) or VID_0A12 (CSR) .
Open the , right-click on Computer , and select Manage . Click on Device Manager in the left sidebar. bluetooth usb dongle 50 driver windows 7 32bit verified
Look for a yellow exclamation mark next to or Unknown Device . Right-click the device and select Properties . Go to the Details tab. Click the drop-down menu and select Hardware Ids .
Avoid no-name dongles with “Bluetooth 5.0” printed but using CSR 4.0 chips. Use USBView to check bcdUSB and bcdDevice .
Once you know your chipset, download the appropriate driver package specifically compiled for Windows 7 32-bit (x86). Option A: Realtek RTL8761B Chipset (Most Common) If you don't have the official installer, you
Right-click the downloaded driver setup file (usually setup.exe ) and select Run as administrator .
Right-click the setup.exe or install.exe file and select Run as administrator .
Because your operating system is the version of Windows 7, 64-bit (x64) drivers will fail to install. Option A: Realtek Chipset Drivers (Most Common) Open the , right-click on Computer , and select Manage
You can find CSR Bluetooth Driver 5.0.14 on official support pages.
It should now read something specific, such as .