Disclaimer: Always scan downloaded files with antivirus software.

If Windows does not recognize it automatically, you can often manually assign a driver through Device Manager Right-click the "Unknown Device" or "Bluetooth" entry in Device Manager Update Driver Browse my computer for drivers Let me pick from a list Generic Bluetooth Adapter Third-Party Sources:

If you've just plugged in your adapter and it’s not working, follow these steps to get it recognized by Windows 10 or 11.