Search for and download drivers for the Atheros AR7010 chipset. Look for versions that include the athuw8.inf (Windows 8) or athur.inf files.
Microsoft may eventually remove legacy Ralink support entirely in a future Windows 11 24H2 or 25H2 update. At that point, the UWA-BR100 will become a paperweight. sony usb wireless lan adapter uwa-br100 driver windows 10
Q: How do I configure the wireless settings for the Sony USB Wireless LAN Adapter UWA-BR100? A: You can configure the wireless settings using the Windows 10 Network and Sharing Center or the adapter's utility software (if provided). Search for and download drivers for the Atheros
If you search Google for “sony usb wireless lan adapter uwa-br100 driver windows 10,” you will find dozens of shady “driver download” websites (e.g., driverdr.com, mydriverdownload.net, etc.). At that point, the UWA-BR100 will become a paperweight
If you’ve recently upgraded your home theater or found an old Sony UWA-BR100 Wireless LAN Adapter
To download the driver, you'll need to visit the Sony support website. Here are the steps: