There are several ways to find and download the KA301 driver:
For further assistance, refer to the official product manual, which is available for download from the TAIE website or included with the original driver CD. With proper installation and configuration, the KA301 will become an indispensable part of your automation toolkit.
Do you know the of your converter, or can you provide the Hardware ID from Device Manager?
Extract the downloaded driver package into a folder on your desktop.
Plugging the KA301 into a different USB port forces the operating system to assign a new COM port number.
Assume you have downloaded CH341SER.EXE . Follow these steps precisely.