Z-tek Usb To Serial Comm Port Driver Free ((free)) Download May 2026

Z-tek USB to Serial Comm Port Driver — Report

Overview

Z-tek USB to Serial Comm Port Driver provides a virtual COM port interface for Z-tek USB-to-serial adapter hardware (USB→RS232/TTL). It enables legacy serial applications to communicate with devices over USB by exposing a virtual COM port in the operating system.

Alternative: Use Windows Update

You can also force Windows Update to fetch the driver: Z-tek Usb To Serial Comm Port Driver Free Download

• Stable communication at baud rates up to 115200 or higher.
• Compatibility with Windows 11, 10, 8, 7, and even older Windows XP.
• Proper COM port enumeration so your software (PuTTY, HyperTerminal, CuteCom) can find the device.

You should see "Z-TEK USB-to-Serial Comm Port (COMX)" without any yellow exclamation marks. Troubleshooting Common Issues Z-tek USB to Serial Comm Port Driver —

✅ Verified Working On:

• Windows 11 22H2 / 23H2
• Windows 10 21H2 / 22H2
• Windows 7 SP1 (x64 & x86)
• Raspberry Pi (Linux – plug & play)
• macOS Catalina & Big Sur (with older driver)

1. Uninstall any existing driver: Device Manager → right-click COM port → Uninstall device (check "Delete driver").
2. Download PL2303_Proilfic_DriverInstaller_v[version].exe from Prolific.
3. Run as Administrator → Follow prompts → Restart PC.

While Z-tek hardware often comes with a driver CD, you can find the latest digital versions from several reputable sources if you've lost the disc or your computer lacks an optical drive. Microsoft Update Catalog Stable communication at baud rates up to 115200 or higher

If you're unable to find the driver on the official Z-Tek website, you can try the following alternative sources: