I have followed these directions:
>>>>>Windows 8.x and later (including Windows 10): Download and unzip the following file: Windows_Serial_Drivers.zip to a folder on your PC.
Plug the scanner into a USB port. When prompted for a driver, select the uniden_usbser.inf file. >>>
When I plug the scanner (on) into a USB port I do not get the prompted to select the file. My PC does not see the scanner.
The Uniden website support section does not list the BC125AT in the drop down menu to get support from them directly.