While not officially supported, some users have found success with these methods: Manual Driver Installation:
If you have a driver installer (Setup.exe) that refuses to run on Windows 11, you can trick it into thinking it is running on an older version of Windows. Ralink Rt3290 Bluetooth Driver Windows 11
: A full system restart is required for Windows 11 to recognize the legacy hardware and initialize the driver. Troubleshooting Common Issues While not officially supported, some users have found