Prolific USB Drivers Download

by Prolific Technology Inc

Free Prolific Drivers Download

After you upgrade your computer to Windows 10, if your Prolific USB Drivers are not working, you can fix the problem by updating the drivers. It is possible that your USB driver is not compatible with the newer version of Windows.

How to Update Device Drivers

There are two ways to update drivers.

Option 1 (Recommended): Update drivers automatically - Novice computer users can update drivers using trusted software in just a few mouse clicks. Automatic driver updates are fast, efficient and elimate all the guesswork. Your old drivers can even be backed up and restored in case any problems occur.


Option 2: Update drivers manually - Find the correct driver for your USB and operating system, then install it by following the step by step instructions below. You’ll need some computer skills to use this method.

Option 1: Update drivers automatically

The Driver Update Utility for Prolific devices is intelligent software which automatically recognizes your computer’s operating system and USB model and finds the most up-to-date drivers for it. There is no risk of installing the wrong driver. The Driver Update Utility downloads and installs your drivers quickly and easily.

You can scan for driver updates automatically with the FREE version of the Driver Update Utility for Prolific, and complete all necessary driver updates using the premium version.

Tech Tip: The Driver Update Utility for Prolific will back up your current drivers for you. If you encounter any problems while updating your drivers, you can use this feature to restore your previous drivers and configuration settings.

  1. Download the Driver Update Utility for Prolific.

  2. Double-click on the program to run it. It will then scan your computer and identify any problem drivers. You will see a results page similar to the one below:
    Prolific USB Driver Update Utility

  3. Click the Update Driver button next to your driver. The correct version will be downloaded and installed automatically. Or, you can click the Update Drivers button at the bottom to automatically download and install the correct version of all the drivers that are missing or out-of-date on your system.

Option 2: Update drivers manually

To find the latest driver, including Windows 10 drivers, choose from our list of most popular Prolific USB downloads or search our driver archive for the driver that fits your specific USB model and your PC’s operating system.

Find Prolific USB Device Drivers by Model Name or Number

If you cannot find the right driver for your device, you can request the driver. We will find it for you. Or, try the automatic option instead.

Tech Tip: If you are having trouble finding the right driver update, use the Prolific USB Driver Update Utility. It is software which finds, downloads and istalls the correct driver for you - automatically.

After downloading your driver update, you will need to install it. Driver updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow. Visit our Driver Support Page to watch helpful step-by-step videos on how to install drivers based on their file extension.

How to Install Drivers

After you have found the right driver, follow these simple instructions to install it.

  1. Power off your device.
  2. Disconnect the device from your computer.
  3. Reconnect the device and power it on.
  4. Double click the driver download to extract it.
  5. If a language option is given, select your language.
  6. Follow the directions on the installation program screen.
  7. Reboot your computer.

Driver Updates for Popular Prolific USB Models

Model Rating Filename Size Total
Prolific USB Driver Update Utility
dfsetup.exe269 KB212,250 Free Download >>
Prolific PL2303 Driver
Prolific_PL230... ver.zip2.7 MB170,890 Free Download >>
Prolific U232 Driver
Prolific_U232_Driver.zip3.1 MB182,240 Free Download >>
Prolific USS-101 Driver
PL2303ForXPVer1.5.zip265.3 KB6,332 Free Download >>
Prolific USB-to-Serial Comm Port Driver
wd_pl2303_v11.5.0.0.zip98.7 KB14,748 Free Download >>
Prolific GMUS-03 PL-2303 Driver
pl2303xp_v15.zip98.7 KB21,551 Free Download >>
Leadership Driver
USB-SerialAdapterDB9.zip678.4 KB10,463 Free Download >>
USB to Serial Port Driver
bf-800_bf-810_... -xp.zip115.0 KB1,042 Free Download >>
Unknown Driver
W2K-USB-IDE.zip172.4 KB848 Free Download >>
Profilic USB-Parallel Driver
usb2parallelport.zip231.3 KB4,587 Free Download >>
SCSI Adapter Driver
usbcasexp.zip194.8 KB4,953 Free Download >>
USB-IDE Bridge Driver
usbidecaseve-007nhd.zip738.9 KB2,412 Free Download >>
USB-Parallel Bridge Driver
u2par.zip201.4 KB6,080 Free Download >>
RS232 Driver
ser2pl.inf1.9 KB14,046 Free Download >>
Hi-Speed USB-to-IDE Bridge Controller Driver
NUTECH.zip390.6 KB2,024 Free Download >>
Prolific USB-to-Serial Comm Port Driver
USBRS232_WINXP.ZIP98.7 KB2,001 Free Download >>
USB to Serial Port Driver
usb2serial.zip264.8 KB836 Free Download >>
USB to Serial Port Driver
USBtoSERIAL.zip117.8 KB8,013 Free Download >>
Hi-Speed USB 2.0 Mass Storage Device Driver
AP.zip4.7 MB2,666 Free Download >>
USB-IDE Bridge Driver
Prolific_Model... ive.zip344.1 KB785 Free Download >>
Prolific USB-to-Serial Comm Port Driver
USB610A_serial_WinXP.zip98.8 KB4,587 Free Download >>
USB Bridge Cable Driver
PC-Linq_v1.6.4.2.zip1.3 MB1,395 Free Download >>
Hi-Speed USB 2.0 Mass Storage Device Driver
usb-myflash-dr... f98.zip16.8 KB773 Free Download >>
USB to Serial Adapter W-USB-232-P Driver
W-USB-232-P.rar360.0 KB5,532 Free Download >>
16 Driver
USBLin16.exe1.4 MB493 Free Download >>
128 mb flash stick Driver
USB_Flash_Driver.rar2.9 MB400 Free Download >>
C60 Siemens Driver
PL-2303_Driver... ler.exe1.4 MB555 Free Download >>
Nil Driver
CutieDX.zip2.0 MB69 Free Download >>
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