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How to Download and Install Prolific USB to Serial Controller Driver for Windows 11

If you have a USB Serial Port device that uses the Prolific PL2303 chip, you may need to download and install the Prolific USB to Serial Controller driver for Windows 11. This driver is the software that helps your operating system to communicate with your USB Serial Port device. In this article, we will show you how to download and install the Prolific USB to Serial Controller driver for Windows 11 in a few easy steps.

Step 1: Visit the Prolific website

The first step is to visit the Prolific website at https://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41 [^2^]. This is where you can find the latest driver information and download links for your USB Serial Port device. You can also check the chip version of your device by using the PL2303 CheckChipVersion tool program.

Step 2: Download the driver installer file

The next step is to download the driver installer file for Windows 11. You can find it under the "Download Driver Setup Program" section on the website. The file name is Prolific-USB-to-Serial-Controller-Driver_24HNN_WIN64_5.2.3.2_A00.EXE [^1^]. It has a file size of 11.42 MB and a checksum value of fbd1780f282d19ac4531aa50013c2754f7947d41a6c58081bcd701bed024c141 (SHA-256). You can verify the integrity of your download by comparing the checksum value with the one provided on the website.

Step 3: Run the driver installer file

The final step is to run the driver installer file that you downloaded in step 2. You can do this by double-clicking on it or right-clicking on it and choosing "Run as administrator". The installer will guide you through the installation process and ask you to restart your computer when it is done. After restarting your computer, your USB Serial Port device should be ready to use.

Conclusion

In this article, we showed you how to download and install the Prolific USB to Serial Controller driver for Windows 11. This driver is compatible with various USB Serial Port devices that use the Prolific PL2303 chip, such as U232-P9. We hope this article was helpful and informative. If you have any questions or feedback, please feel free to leave a comment below.

What is Prolific USB to Serial Controller driver?

Prolific USB to Serial Controller driver is a software that enables your Windows 11 computer to communicate with USB Serial Port devices that use the Prolific PL2303 chip. USB Serial Port devices are devices that convert USB signals to serial signals, or vice versa. They are often used to connect legacy serial devices, such as modems, printers, scanners, barcode readers, GPS receivers, and more, to modern computers that only have USB ports.

Prolific USB to Serial Controller driver supports various versions of the PL2303 chip, such as HXD, SA, RA, GC, GS, GT, GL, GE , GD, GR. It also supports various models of USB Serial Port devices from different vendors, such as U232-P9. You can check the compatibility of your device by looking at its VID (Vendor ID) and PID (Product ID) values. The VID and PID values of Prolific USB Serial Port devices are usually 067B and 2303, 2304, 23A3, 23B3, 23C3, 23D3, 23E3, 23F3, or 2323 respectively.

Why do you need to update Prolific USB to Serial Controller driver?

Updating Prolific USB to Serial Controller driver is important for several reasons. First, it can improve the performance and stability of your USB Serial Port device and prevent errors or malfunctions. Second, it can ensure the compatibility of your device with the latest operating system and other system modules (firmware, BIOS, drivers, and software). Third, it can provide new features or enhancements for your device.

Prolific regularly releases new versions of the driver to address various issues and improve user experience. The latest version of the driver for Windows 11 is 5.2.3.0 (05/27/2022), which is certified by Microsoft as a Windows 11 compatible driver. It also supports auto-download via Windows Update. You can check the version of your current driver by going to Device Manager and looking at the properties of your USB Serial Port device. 061ffe29dd