Despite lack of official support, the UWA-BR100 is often based on the or similar chipsets. Users have reported success with the following unofficial sources:

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Since there is no "Sony UWA-BR100.exe" installer for Windows 10, you must use the driver. Windows 10 often lacks this driver in its default library, so you will likely see the device listed as "Unknown Device" or "Wireless LAN Adapter" with a yellow exclamation mark in your Device Manager. 2. How to Download the Driver Update