Download the .ZIP file containing the Windows drivers. The official driver officially supports both 32-bit and 64-bit architectures of Windows 10. Step 2: Preparing for Installation

: Usually provides 2-channel serial ports (RS232) or 1-channel parallel port (EPP/ECP). for a specific piece of software?

The WCH CH382L is a widely used PCI-Express dual-serial and single-parallel port controller chip. Manufactured by Nanjing Qinheng Microelectronics (WCH), this hardware allows modern desktop computers to interface with legacy equipment like barcode scanners, receipt printers, programmable logic controllers (PLCs), and industrial machinery.

Search for or download the universal CH38X multi-serial/parallel PCIe driver package. Save the ZIP file to your local desktop. Step 2: Extract and Run the Installer

Look for items with a yellow exclamation mark under . They may be labeled "PCI Serial Port" or "PCI Simple Communications Controller."

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Windows 10 security features blocking unsigned driver.

A: Yes, the latest CH38XDRV.EXE driver officially supports Windows 11 64-bit, as well as Windows Server 2025 and 2022.