The Sony UWA-BR100 was sold for use in Sony TV's, Set-top boxes and other devices that are not connected to the Internet, however the device does use a Atheros chipset that can be used on Windows with manual installation of the driver. If you don't know how to manually install a driver here: Force Install a Driver if you are running a x64 version of Windows use the Windows 8 Driver.
The Sony UWA-BR100 is a USB wireless LAN adapter that allows users to connect their Sony Wi-Fi-enabled devices to their home wireless network. The adapter connects to the USB port of compatible Sony devices, including select Sony TVs, Blu-ray players, and home theater systems. Once connected, the adapter enables users to access online content such as streaming video, music, and photos directly on their compatible Sony device without the need for additional cables or connections. The Sony UWA-BR100 supports Wi-Fi Protected Setup (WPS) for easy and secure network setup. It is a convenient and straightforward solution for users who want to access online content through their Sony devices without having to connect them via an Ethernet cable.