Select from the list. Preventing Automatic Updates
: Remove your USB-to-Serial cable from the computer before starting the installation.
: Double-click the saved file and follow the prompts to complete the installation. Connect and Update : prolific+usb+to+serial+comm+port+version+32+00+download+2021
Because version 3.2.0.0 is a legacy file, it is often hosted on community support sites rather than the primary Prolific Technology homepage.
Many older USB-to-Serial adapters use Prolific chipsets (like the PL2303HXA) that reached "End-of-Life" (EOL) status years ago. Prolific's official newer drivers are designed to intentionally disable these older chips on modern Windows versions. Select from the list
: Manually installing and "locking" driver version 3.2.0.0 allows these devices to work again by bypassing the security checks found in newer releases. How to Download and Install (Step-by-Step)
: Obtain the PL2303_Prolific_DriverInstaller_v1.12.0.zip or a standalone 3.2.0.0 executable from reputable sources like the Miklor Driver Page or Byonics Support . Connect and Update : Because version 3
Windows Update may attempt to "correct" your driver by installing the latest (non-functional) version. To prevent this: