In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them. Once you have downloaded your new driver, you'll need to install it. It is a software utility which automatically finds and downloads the right driver. Tech Tip: If you are having trouble deciding which is the right driver, try the Prolific Driver Update Utility. In the results, choose the best match for your PC and operating system. Enter Prolific USB-to-Serial Comm Port into the search box above and then submit.
If the driver listed is not the right version or operating system, search our driver archive for the correct version.
After you complete your download, move on to Step 2. To get the Prolific USB-to-Serial Comm Port driver, click the green download button above. How to Update Prolific USB-to-Serial Comm Port Device Drivers Quickly & Easily Step 1 - Download Your Driver
