There is for the UWA-BR100 USB Wireless LAN Adapter for use on Windows 10 . Sony designed this adapter specifically for use with Sony BRAVIA TVs, Blu-ray players, and home theater systems , not for personal computers. Official Status & Compatibility
USA and Sony UK explicitly state that there are available for this product. no official Sony driver There is for the
A driver is software that enables your computer to communicate with the Sony USB Wireless LAN Adapter UWA-BR100. Without a compatible driver, your device may not function properly, or you may experience connectivity issues. Windows 10, being a newer operating system, may not have the built-in drivers for older devices like the UWA-BR100. and home theater systems
Product overview