Prolific USB-to-Serial Comm Port driver is a windows driver. Hp 8460p Drivers Windows 10. Intel R Hd Graphics 4600 Driver Update Windows 10 on this page. Common questions for Prolific USB-to-Serial Comm Port driver Q: Where can I download the Prolific USB-to-Serial Comm Port driver's driver? Please download it from your system manufacturer's website. Samsung Scx 4300 Printer Scanner Driver Windows 10 on this page. Or you download it from our website. Q: Why my Prolific USB-to-Serial Comm Port driver doesn't work after I install the new driver? Please identify the driver version that you download is match to your OS platform. You should uninstall original driver before install the downloaded one.