Terminal emulation programs (like PuTTY or SecureCRT) will not detect a valid COM port.
Windows should notify you that it is "Installing device driver software." Verifying the Installation usb console software 31 ciscousbconsoledriver31zip install
The driver must be installed a Windows‑based PC is connected to the USB console port of a Cisco device. After the driver is installed, you can plug and unplug the USB cable as needed; Windows will retain the necessary configuration. Terminal emulation programs (like PuTTY or SecureCRT) will
Open the folder corresponding to your OS architecture ( x64 for 64-bit, x86 for 32-bit). x86 for 32-bit).