Official support from Sony indicates that the does not have an available driver download for Windows. It is specifically designed to provide wireless internet to "Wi-Fi Ready" Sony Bravia HDTVs, Blu-ray players, and home theater systems rather than for use as a standard PC network adapter.
. These are standard 802.11n wireless drivers that many older laptops used. Third-Party Repositories : Sites like DriverIdentifier DriverScape sony usb wireless lan adapter uwa-br100 driver windows 10
DriverIdentifier provides drivers for various OEM versions of the chipset. UWA-BR100 Wireless LAN Adapter Official support from Sony
This works on older Windows 10 builds (1507, 1511). On modern builds, you will likely get a “Driver is not intended for this platform” error. Hobbyists and retro-PC enthusiasts