Installing the PL2303 driver on your Windows 11 PC is necessary to enable communication with devices that use USB-to-Serial cables. Such devices may include industrial equipment, sensors, telescopes, GPS devices, and more. If Windows does not automatically recognize your device, manually installing the driver may resolve connection issues.
Download and install the PL2303 driver from the official website.
First, you need to download the PL2303 driver from the official Prolific website and then install it on your computer.
Step 1: Open your preferred web browser and go to the Prolific website at prolific.com.tw . Once the page loads, look for the Windows 11 compatible “PL2303 Driver” zip file – it’s usually the first file on the list. Click the link to start the download.
Once the download is complete
Go to your default Downloads folder. Locate the downloaded .ZIPfile, right-click on it to open the context menu, and select Extract All. This will extract the contents to a new folder and open a separate window.
Step 3: In the extraction window, click the Extract button in the lower right corner to extract the files to the current directory. If you want to band database select a different destination, click Browse to select your preferred folder.
Step 4: After extracting the files, open the new folder and locate .EXEthe file. Double-click on this file to start the installation process.
If you are prompted by Windows SmartScreen,
More information to display additional options.
Step 6: Click “Run Anyway” at the bottom of the window to continue the installation.
Step 7: You may be prompted by User Account Control (UAC). If you are not logged in as an administrator, enter your administrator this can help adjust the credentials. Otherwise, click Yes to continue.
Step 8: In the installation wizard window, click Next at the bottom right corner to start the installation.
Step 9: Now the installer will install the driver on your computer How to Install
Wait for the process to complete
Step 10: Once the installation is complete, the wizard will display a confirmation message. Click Finish in the lower right corner to exit search engine optimization mails the installer.
You’re all set! The PL2303 driver is now installed on your Windows 11 PC and you’ll be able to use devices with a USB-to-Serial cable without any issues.