Hi RyeBob,
It appears that the link you previously mentioned is working now, and shows PL2303 drivers for Windows 7 64-bit.
http://www.prolific.com.tw/eng/downloads.asp?ID=31
Hope this helps!
Debra
Microsoft Answers Support Engineer
Visit our Microsoft Answers Feedback Forum and let us know what you think
Usbfirewire
www2.usbfirewire.com › Parts › rr-usb-017.html.bak
USB to Serial Adapter (RS232) - Download Windows 7 Drivers
Seamlessly connect serial devices to the USB port on your computer.
Driverscape
driverscape.com › download › usb-serial-port
USB Serial Port Drivers Download for Windows 10, 8.1, 7, Vista, XP
Use the links on this page to download the latest version of USB Serial Port drivers. All drivers available for download have been scanned by antivirus program. Please choose the relevant version according to your computer's operating system and click the download button. ... Supported OS: Windows 10 32 & 64bit, Windows 8.1 32 & 64bit, Windows 7 32 & 64bit, Windows Vista 32 & 64bit, Windows XP
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Top answer 1 of 5
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Hi RyeBob,
It appears that the link you previously mentioned is working now, and shows PL2303 drivers for Windows 7 64-bit.
http://www.prolific.com.tw/eng/downloads.asp?ID=31
Hope this helps!
Debra
Microsoft Answers Support Engineer
Visit our Microsoft Answers Feedback Forum and let us know what you think
2 of 5
26
I didn't need any additional drivers for the cable I have but if you Google driver serial to usb cable you will find an number of sites.
Lenovo Support
support.lenovo.com › us › en › downloads › ds101013-pl2303-usb-to-serial-bridge-chip-family-driver-for-windows-7-and-81-32-bit-and-64-bit
PL2303 USB-to-Serial Bridge Chip Family Driver for Windows 7 and 8.1 (32-bit and 64-bit) - Lenovo Support US
PL2303 USB-to-Serial Bridge Chip Family Driver for Windows 7 and 8.1 (32-bit and 64-bit)
Worldnav
worldnav.com › downloads › drivers › usb_serial › usb_serial_download.html
USB-Serial Adapter Drivers
This download contains the Euronav supplied USB-Serial adapter driver for 32 & 64 bit Windows OS. Please ensure you select the correct driver for the unit you have. ... Windows XP, Vista and 7.
Brainboxes
brainboxes.com › faq › where-can-i-find-the-windows-7-drivers-for-my-usb-2-serial-devic
Where can I find the Windows 7 drivers for my USB to Serial Brainboxes device? - Brainboxes
November 4, 2021 - The Boost.Software driver is for ... Ensure your USB or ExpressCard device is unplugged from your PC or laptop. Click the download link below and the driver files will start downloading automatically....
Bridgemate
support.bridgemate.com › en › support › solutions › articles › 44001826937-windows-7-8-8-1-64-bit-driver-for-usb-serial-converter-for-bridgemate-pro-server
Windows 7/8/8.1 64-bit driver for USB-serial converter for Bridgemate Pro server : Bridgemate Support Center
October 11, 2021 - Summary This article describes the procedure for downloading and installing version 3.1.0.0 of the Bridgemate Pro server USB-serial converter for 64-bit versions of Windows 7 and Windows 8. Introduction Version 3.1.0.0 of the Aten USB-ser...
Plugable
kb.plugable.com › serial-adapter › installing-the-plugable-usb-to-rs-232-db9-serial-adapter-on-windows-7
How to Install the Plugable USB to RS-232 DB9 Serial Adapter on Windows 7 - Plugable Knowledge Base
The Plugable USB to Serial adapter (PL2303-DB9) can be installed on Windows 7 by downloading the recommended Prolific driver, running the installer, and then connecting the device.
USBFireWire
usbfirewire.com › parts › rr-usb-017.html
USB to Serial Adapter (RS232) -Windows 7 – 877-522-3779 – USBFireWire.com
USBFireWire USB to Serial Adapter (RS232) -Windows 7
This item has reached the end of it's life and is no longer available. However, we realize that this information will still serve to help troubleshoot existing devices. Guaranteed Compatibility Windows 7 Compatible 32-bit and 64-bit Fully Serial / RS232 compatible We proudly boast about our 99% device compatibility ratio with this product! We also stand behind it. You may see others that look like ours, but ours comes with a driver for Windows 7, 32-bit as well as 64-bit. Commercial quality Our USB to Serial Adapter Cable is used mainly by AV pros and other industrial techs. This cable works
Price $17.00
Microsoft Learn
learn.microsoft.com › en-us › windows-hardware › drivers › usbcon › usb-driver-installation-based-on-compatible-ids
USB Serial Driver (Usbser.sys) - Windows drivers | Microsoft Learn
Universal Windows Platform (UWP) ... Windows.Devices.SerialCommunication namespace, allowing apps to talk to CDC devices. Load the Microsoft-provided in-box driver (Usbser.sys) for your communications and CDC control device. ... If you're trying to install a USB device class driver included in Windows, you don't need to download the ...
Microsoft
catalog.update.microsoft.com › Search.aspx
Microsoft Update Catalog
We cannot provide a description for this page right now
Dell
dell.com › home › support home › product support › driver details
FTDI USB Serial Port Driver | Driver Details | Dell US
This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall. This package contains the FTDI USB Serial Port driver.
US Converters
usconverters.com › index.php
USB to RS232 Driver | USB Serial Driver Downloads and Tools : U.S. Converters LLC, Serial Data Communication
Installing a USB to serial driver is a straightforward process that can be completed in a few simple steps. First, download the driver from the manufacturer's website or through Windows Update. Next, run the installation program and follow the on-screen prompts.
Seven Forums
sevenforums.com › drivers › 159836-usb-serial-com-port-driver-windows-7-64-bit.html
USB-Serial COM PORT Driver Windows 7 64 bit - Windows 7 Help Forums
April 28, 2011 - Dell does not seem to have a fix for this. PCI Serial Port driver not installed (Windows 7 64-bit) in Drivers Ever since I installed Windows 7 (64-bit), the Device Manager shows under Other Devices / PCI Serial Port / Properties / "The drivers for this device are not installed.
Plugable
kb.plugable.com › serial-adapter › how-to-install-prolific-serial-port-drivers-on-a-windows-7-fresh-installation
How Do I Install Prolific Serial Port Drivers on a Windows 7 Fresh Installation? - Plugable Knowledge Base
1 month ago - Double-click on the "Prolific PL2303GT USB Serial COM Port" entry to open the properties and verify the adapter is recognized correctly without a "Code 52" unsigned driver error and that the device status shows "This device is working properly". ... My DisplayLink-based USB Docking Station or USB Video Adapter Is Not Working As Expected with a Windows computer
Titan
titan.tw › home › usb to serial drivers 2.12.36.4 for windows
USB to Serial Drivers 2.12.36.4 for Windows | TITAN Electronics Inc.
July 31, 2025 - Specializes in USB, Serial & CAN Connectivity · 0 item(s) - $0.00 · Recently added item(s) [featured_image] Download · Version · Download 158888 · File Size 2.11 MB · File Count 1 · Create Date 02/26/2020 · Last Updated 07/31/2025 · Includes the following version of the Windows operating system: Windows 11, 10, 8.1, 8, 7, XP, Windows Server 2025, 2022, 2019, 2016, 2012 R2, 2012 and 2008 R2 ·
Tri-plc
tri-plc.com › USB-RS232 › drivers.htm
USB-RS232 Serial Converter Driver Download
Windows 7 64-bit & 32-bit, Windows Vista 64-bit & 32-bit, Windows XP, Windows 2000, Windows Me, Windows 98 · Important note regarding Windows 7 and Vista: The driver MUST be installed "as Administrator" Right-click the downloaded EXE file and choose Run as administrator
Titan
titan.tw › home › support › usb to serial drivers download
USB to Serial Drivers Download | TITAN Electronics Inc.
July 31, 2025 - You need to install driver first, prior to hardware installation. Do not connect the USB-to-Serial Adapter to the USB port of your computer, before you finish driver installation.
OEM Drivers
oemdrivers.com › usb-prolific-usb-to-serial-driver
PROLIFIC USB to Serial Driver (Windows 11/10/8.1/8/7) | Device Drivers
Even though the latest drivers ... unless a told to install an older version. Download the Driver: The driver files are available in a zip format below....