Comtrend CT-WN4320Z is a legacy 802.11g USB 2.0 Wireless LAN adapter, often branded as a Lite-On WN4230Z. Finding official drivers can be difficult as Comtrend has largely moved to newer models like the CT-WN4322Z Driver Specifications & Download The device typically uses the ZyDAS ZD1211
Do use random “driver updater” software. Use official sources: Driver Wlan Usb 2.0 Ct-wn4320z