Have you ever used one of these on Windows XP?
If you have, chances are that you might have struggled with the driver installation and Driver search. Below is the available generic driver which you can use, chances are that the below drivers will work for you in your case.
USB to Serial Cable Driver for Windows XP Download Link – Mirror
Extract the Zipfile and then Go to Device Manager, Right Click on the USB to Serial Device with Yellow Bang. Select Manual Driver and provide the path of the folder your just extracted. It should take the driver from there and install the device. Alternatively right click on the oem16.inf and select install to install the XP driver.
If you wish to download and install the driver in an installer format below is the link for the same, any one of the two should do it for you.
PL2303_Prolific_DriverInstaller_v1_7_0 | Mirror
BF-810_DriverInstaller_v1.5.0_windows | Mirror
Comment below if it does not work or if you need some other driver for the same.