Because the CT-WN4320Z was built during the Windows XP, Vista, and Windows 7 eras, the original executable setup files often block themselves from running on Windows 10. You can bypass this restriction using Compatibility Mode.
How to Install the CT-WN4320Z Driver on Windows 10 (Step-by-Step)
The CT-WN4320Z adapter does not use proprietary internal components. Instead, it relies on a third-party wireless chipset.
: If the driver is only available for Windows 7, you can try installing it in Compatibility Mode . Right-click the installer .exe , go to Properties -> Compatibility , and select Windows 7 . Specification Model Comtrend CT-WN4320Z Interface Chipset ZyDAS ZD1211 / ZD1211B Standard 802.11g (54 Mbps) OS Support Windows XP to Windows 10 (via generic drivers)
| Source | Driver Version | Windows 10 Compatible | Notes | | :--- | :--- | :--- | :--- | | | 2012-era | No | Driver is Vista/7 32-bit only. Installation fails. | | Windows Update | None | No | Device is not in Microsoft's update catalog. | | Manufacturer site | None | No | Domain likely defunct. | | Ralink/Mediatek | 5.1.24.0 (2015) | Partial | Requires manual INF selection. | Drivers wlan usb2.0 ct-wn4320z windows 10
Legacy USB chipsets often experience timing synchronization issues when plugged into blue USB 3.0 or USB 3.1 ports. For the best stability, plug the adapter into an older, black on the back of your computer. Summary: Is It Worth Using?
You will have to plug the device in and check Windows Device Manager.
Windows 10 features a massive built-in repository of generic drivers. It can frequently identify the underlying chipset of the CT-WN4320Z and install a working driver automatically.
This guide provides three distinct methods to get your CT-WN4320Z USB adapter working on Windows 10. Method 1: Identify the Chipset for Universal Drivers Because the CT-WN4320Z was built during the Windows
The is a cost-effective way to get Wi-Fi on your PC. By downloading the correct Atheros-based driver (Version 10.0.0.20) and using the manual installation method in Device Manager, you can ensure that your device functions reliably on Windows 10.
Click and navigate to the folder where you extracted the driver files.
If you need a reliable connection, consider upgrading to a modern USB Wi-Fi adapter. Basic 802.11ac (Wi-Fi 5) or 802.11ax (Wi-Fi 6) USB dongles are highly affordable, offer speeds up to twenty times faster, and feature native plug-and-play support on Windows 10 and Windows 11 without any manual driver installation. To help you get this resolved quickly, let me know: Did you get an during the install? What chipset did your download mention? Is your Windows 10 system 32-bit or 64-bit ? Share public link
You bought a cheap USB Wi‑Fi adapter labeled “WLAN USB2.0 CT‑WN4320Z” and plugged it into a Windows 10 laptop; Windows didn’t immediately give you a working network. Here’s a concise, practical story of how to get it working. Instead, it relies on a third-party wireless chipset
Disclaimer: Driver downloads are from third-party sites; always run antivirus software on downloaded files. WLAN USB 2.0 Wireless Network Adapter Drivers Download
: Search for "ZD1211 Windows 10 driver." Some versions of this driver were released for later Windows versions and may be compatible. Atheros Drivers
Since no official driver exists, you'll need a generic ZD1211 driver that supports Windows 10. Several reliable third-party driver databases host this driver. Before downloading, check your system type: right-click > Properties , and look under System type to see if you need a 32-bit (x86) or 64-bit (x64) driver. You can download the latest compatible driver from these trusted sources:
To confirm your specific chipset, run this in PowerShell as Admin:
The CT-WN4320Z is a wireless LAN USB 2.0 adapter that allows you to connect your computer to a wireless network. To use this device on a Windows 10 operating system, you need to install the correct drivers. Here's a step-by-step guide on how to do it:
Finding functional drivers for legacy hardware on modern operating systems can be a frustrating challenge. The CT-WN4320Z is an older 802.11g/n wireless USB adapter originally manufactured by Comtrend and distributed by various internet service providers. While this device was built during the eras of Windows XP, Vista, and Windows 7, you can still get it working perfectly on Windows 10 by using the correct driver compatibility strategies.