The CT-WN4320Z is a compact, 150Mbps or 300Mbps (depending on the revision) USB 2.0 Wi-Fi dongle. While it’s an inexpensive solution for adding wireless connectivity to a desktop PC or reviving an old laptop, its driver situation can be confusing.
You may need to download legacy drivers (e.g., from Driver Scape ) and use the Device Manager to point Windows toward the .inf file. Driver Wlan Usb 2.0 Ct-wn4320z
There are three primary ways to install the driver for the CT-WN4320Z: The CT-WN4320Z is a compact, 150Mbps or 300Mbps