This last point is your golden ticket. Sony did not manufacture the internal chips; they rebranded a reference design from Ralink (now owned by MediaTek). Therefore, the Sony-branded drivers are just custom-skinned versions of generic Ralink drivers.
host "CommView" versions of the driver specifically modified to recognize the Sony UWA-BR100 hardware ID. WikiDevi.Wi-Cat.RU Key Specifications sony usb wireless lan adapter uwa-br100 driver windows 10
: Provides various versions, including one specifically mentioned for Windows 10 Pro. This last point is your golden ticket
: Use a port directly on the motherboard (back of the PC) for more stable power. sony usb wireless lan adapter uwa-br100 driver windows 10
Find the adapter under "Other devices" or "Network adapters." Right-click it and select .