Inside the Sony UWA-BR100 is a Realtek RTL8192CU chipset. By using the generic Realtek driver for that chipset, the adapter works perfectly on Windows 10.
You plug the UWA-BR100 into a Windows 10 PC. You hear the “USB connected” chime. You look in Device Manager, and you see one of three things: sony usb wireless lan adapter uwa-br100 driver windows 10
The Sony UWA-BR100 is a USB wireless LAN (Wi‑Fi) adapter used with select Sony devices (often VAIO laptops, media players, or TVs) to add or restore wireless networking capability. This guide explains driver availability, installing drivers on Windows 10, troubleshooting, and alternatives if native drivers aren’t available. Inside the Sony UWA-BR100 is a Realtek RTL8192CU chipset