Choose and look for Atheros or Qualcomm Atheros .
However, because the hardware utilizes a standard Atheros chipset, it is possible to "force-install" compatible drivers. How to Install Sony UWA-BR100 on Windows 10 sony uwa-br100 driver windows 10
: Offers versions listed as compatible with Windows 10 (32-bit and 64-bit) under the "[CommView] Sony UWA-BR100" name. Choose and look for Atheros or Qualcomm Atheros
: Hosts a specific legacy driver often cited in community guides for Windows 8/10 workarounds. [CommView] Sony UWA-BR100 Drivers Download : Hosts a specific legacy driver often cited
Sony's official support site explicitly states that there are no available driver downloads for Windows, as the adapter was intended solely for home entertainment hardware.
The Sony UWA-BR100 was originally designed as a proprietary USB Wi-Fi adapter for Sony Bravia TVs and Blu-ray players. While Sony does not offer official Windows 10 drivers, you can still use this device on a PC by leveraging its underlying chipset. Official Status and Compatibility
Ignore the warning about driver compatibility and click to install. Third-Party Driver Resources