PL-2303 Driver Setup Installer, Prolific Edition Setup Installer Revision Note History ================================================= System Requirement: . Supports the following Windows OSes: - Windows 98SE - Windows ME - Windows 2000 SP4 - Windows XP SP2 and above (32 & 64 bit) - Windows Server 2003 (32 & 64 bit) - Windows Server 2008 (32 & 64 bit) - Windows Vista (32 & 64 bit) - Windows 7 (32 & 64 bit) NOTE: For Windows 7, please use RC build 7100 or above. . USB host controller . Device using PL-2303H/HX/X version chip Supported device ID and product strings: . VID_067B&PID_2303 for "Prolific USB-to-Serial Comm Port" Release Notes: --------------- PL2303 Driver Installer v1.0.5.18 Changes from Installer v1.0.3.11: . XP/2K/2003 (WDM Driver) v2.0.9.122: - supports both 32 and 64 bit OS - pass Microsoft XP Windows Logo Test (WLK 1.4) . Vista/7/2008 (WDF Driver) v3.3.5.122: - pass Microsoft Vista/Win7 Logo Test (WLK 1.4) Installer & Build date: 1.0.5.18_20090723 Language Support: - English (default) - Chinese (Traditional) - Chinese (Simplified) - Japanese ======================================== Prolific Technology Inc. http://www.prolific.com.twDownload Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.