It downloads the correct Virtual COM Port driver silently in the background. Step-by-Step Installation Guide for Windows 10 and 11

: Download an older driver version (like v3.2.0.0 from 2008). In Device Manager, choose "Let me pick from a list of available drivers on my computer" and select the older 2008 version to bypass "not genuine" errors.

Most Z-tek USB-to-Serial cables do not use a proprietary Z-tek microchip. Instead, Z-tek manufactures the physical cable housing around highly reliable, third-party USB-to-UART bridge controller chips. Depending on the specific model and generation of your Z-tek cable, it will contain one of two chipsets:

: Look for "USB-to-Serial Comm Port" under Ports (COM & LPT) or Other Devices (it may have a yellow warning triangle).