The CNet CT-WN4320Z is a legacy product. While there is no official "Windows 10" download on the CNet website, the device is almost certainly based on either a Realtek or Ralink chipset. By matching the chipset driver to the device, you can restore connectivity.
Hosts a USB2.0 WLAN Driver Update that is rated highly for its compatibility with Windows 10.
: Users have reported the adapter "hanging" or requiring a reboot to reconnect to Wi-Fi networks. Performance Limits