Prolific USB-to-Serial Comm Port Driver Download
The USB-to-Serial Comm Port is a modem manufactured by Prolific. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. This version of "wd_pl-2303_v20018.zip" is rated (5 out of 5 stars) based on 34,272 downloads and 153 reviews. Visitors have successfully installed this driver on PCs running Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 91.5 KB.
Supported Models
Prolific usb-serial
Prolific USB-to-Serial Comm Port
Manufacturers
Supported Operating Systems
Windows XP
File Name
Versions
2.0.0.18 (2003-07-16) via .inf
Additional Notes
manufacture's site tech.prolific.com.tw/visitor/v_welcome.asp
Uploaded By
get_off_it (DG Member) on 4-Dec-2003
Most Helpful Reviews
Already tried it? Give your review.
See all Prolific USB-to-Serial Comm Port ratings and reviews
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| PL-2303_20018_driver/ser2pl.inf | 1.9 KB | 16 Jul 2003 |
| PL-2303_20018_driver/ser2pl.sys | 43.3 KB | 16 Jul 2003 |
| PL-2303_20018_driver/DRemover98_2K.exe | 135.2 KB | 7 Nov 2001 |
| PL-2303_20018_driver/pl2303.cat | 7.6 KB | 21 Aug 2003 |
How to Update Prolific USB-to-Serial Comm Port Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the Prolific USB-to-Serial Comm Port driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Prolific USB-to-Serial Comm Port into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Prolific Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
Step 2 - Install Your Driver
Once you have downloaded your new driver, you'll need to install it. 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.
How to Open Device Manager
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
How to Install a driver from Device Manager
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
Tech Tip: Driver downloads and 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.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.