Some RD9700 adapters work with the old driver (included in Windows 11). In Device Manager:
If automatic search fails, you must manually select a compatible driver. The RD9700 chipset is often manufactured by or Realtek . You can use a compatible Realtek driver already hidden in Windows 11. Some RD9700 adapters work with the old driver
If you encounter issues during the driver installation process, here are some common problems and their solutions: Some RD9700 adapters work with the old driver