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| Source | Driver Version | Windows 10 Compatible | Notes | | :--- | :--- | :--- | :--- | | Included CD (if any) | 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. |

This device uses a Ralink chipset (often acquired by MediaTek).

Date: October 26, 2023 (Model specific) Device: USB 2.0 Wireless LAN Adapter Model: CT-WN4320Z Host OS: Windows 10 (21H2 / 22H2)

If you have a temporary internet connection (via Ethernet or another PC), follow these steps:

Plug the CT-WN4320Z into a free USB 2.0 or USB 3.0 port on your Windows 10 computer. Avoid using front-panel USB ports if possible; use a rear port connected directly to the motherboard.

The open-source community has created modified drivers that disable Windows 10’s strict signature checks for legacy adapters. One such project is the Realtek RTL8188CU community driver hosted on GitHub.

Once you know the version or Chipset ID, choose the corresponding driver path:

If you downloaded a driver installer and it refused to run on Windows 10, you may need to force the installation.