Press Windows key + X, and click on Device Manager. Click on Action, select Add legacy hardware and click on Next. Click on Install the hardware that I manually select and click on Next. Scroll down, select Ports (COM & LTP) and click on Next. Download driver Prolific USB-to-Serial Comm Port (COM3) Driver version 3.8.18.0, v.3.8.12.0 for Windows XP, Windows 7, Windows 8, Windows 8.1, Windows 10 32-bit (x86), 64-bit (x64). Screenshot of files Installation screenshots Prolific USB-to-Serial Comm Port (COM3) Driver File Name. Note: Windows will typically save the files to the Downloads folder that is associated with your user account (for example, C: Users yourname Downloads). Once the download is complete, right-click the zip folder that you downloaded, select Extract All, and follow the on-screen instructions. Download Windows USB 2.0 Drivers Updates. Usually USB 2.0 means a faster connection speed and this is the major difference (generally but not always) between USB1, USB2 and USB3, with the latter providing super speeds of up to 5Gbps.

Before you begin

Driver updates for Windows 10, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update. You probably already have the most recent drivers, but if you'd like to manually update or reinstall a driver, here's how:

Update the device driver

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1. In the search box on the taskbar, enter device manager, then select Device Manager.

2. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update.

3. Select Search automatically for updated driver software.

4. Select Update Driver.

5. If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions.

Reinstall the device driver

1. In the search box on the taskbar, enter device manager, then select Device Manager.

2. Right-click (or press and hold) the name of the device, and select Uninstall.

3. Restart your PC.

4. Windows will attempt to reinstall the driver.

More help

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If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors.

TruePort redirects serial COM/TTY based traffic over Ethernet to remote IOLAN(s)

Serial Com Device Driver Download For Windows Xp