If you absolutely need the Sony official driver, you might have to run Windows 10 LTSB (Long-Term Servicing Branch) 2015 or 2016. This is not recommended for security reasons.
uses an (specifically identifying as USB\VID_0411&PID_017F ), which has allowed some users to find compatible drivers through third-party sources. Drivers and Software updates for UWA-BR100 | Sony USA sony usb wireless lan adapter uwa-br100 driver windows 10
A modern USB Wi-Fi adapter (e.g., from TP-Link, Panda, or Edimax) costs $10–15 and offers native Windows 10 drivers, 5 GHz support, and WPA3. If you absolutely need the Sony official driver,
While no official Windows 10 drivers exist, some third-party sites host drivers that may work because the device often uses common chipsets (such as those from Buffalo or Broadcom). 5 GHz support