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The KLSI USB Ethernet Adapter driver lets Windows communicate with the adapter so you can connect your computer to a wired network through a USB port. It is useful when setting up the adapter for the first time, reinstalling Windows, or troubleshooting an Ethernet connection that Windows does not recognize.
Listed under Microsoft in the Network category, this driver supports Windows 10, 8.1, 7, Vista, and XP. Before choosing a KLSI USB Ethernet Adapter driver download for Windows, check that the package matches your operating system, system architecture, and adapter hardware ID. If you are checking compatibility for Windows 10/11, note that Windows 11 is not included in the supported OS list provided here.
Key Features
- USB-to-Ethernet support: Enables Windows to use the adapter as a wired network interface.
- Network device recognition: Helps Windows identify compatible KLSI hardware and make it available for network configuration.
- Standard Windows management: Allows you to manage the adapter through Device Manager and Windows network settings once correctly installed.
- Support for listed Windows versions: Provides a driver option for compatible systems running Windows 10, 8.1, 7, Vista, or XP, subject to the selected package’s requirements.
How to Install KLSI USB Ethernet Adapter Driver
- Confirm your system details. Check your Windows version and whether it is 32-bit or 64-bit. In Device Manager, review the adapter’s Hardware Ids under Properties > Details to help verify compatibility.
- Choose a matching package. Look for the latest version that explicitly supports your adapter and Windows release. For a free download, use a trusted source and check the publisher information before opening it.
- Prepare the driver files. Extract the package if it comes in an archive. If you have no working network connection, download it on another computer and transfer it using a USB drive.
- Install the driver. Run the included installer, if available. Otherwise, open Device Manager, right-click the adapter or unidentified network device, choose the driver update option, and browse to the extracted files.
- Check the connection. Restart if prompted, connect an Ethernet cable, and confirm that the adapter appears without a warning icon. Test access to your network or the internet.
Keep the driver updated when a compatible update addresses a connection problem or improves reliability. The latest version is only appropriate if it supports your hardware and operating system; avoid forcing an incompatible package onto a working setup.
Driver Details
| Device | KLSI USB Ethernet Adapter |
|---|---|
| Vendor | Microsoft |
| Category | Network |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 1, 2026 |
| Updated | November 1, 2026 |