There are several ways to find and install the PCI serial port driver for Windows 10:
Here’s an interesting, real-world tale about the — one that sounds like a hardware ghost story, but has a perfectly logical (and frustrating) explanation. pci serial port driver windows 10
The yellow warning was never about the serial ports she needed. It was about a phantom port she didn’t. There are several ways to find and install
Physical serial ports used for connecting older devices like scanners, lab equipment, or industrial controllers. How to Fix PCI Serial Port Driver Issues pci serial port driver windows 10
