Windows 10 New! — Microsoft Driver Tetherxp.inf

It sounds like you're referring to the tetherxp.inf driver file — which was originally designed for Windows XP to enable USB tethering (often for older mobile phones or PDAs) — and noting that it still gets mentioned or even used on Windows 10.

The "interesting" part is likely that:

It’s a legacy XP driver — Microsoft never officially provided this for Windows 10, yet some users try to force-install it to get older devices (e.g., certain feature phones, some early Android tethering modes, or vintage PDAs) working via USB tethering.
Mixed results — On Windows 10, installing tetherxp.inf manually may work for basic RNDIS or legacy serial-over-USB tethering, but it often triggers driver signature warnings, stability issues, or broken network connections after updates. Some report it works fine for niche hardware; others see constant disconnects or BSODs. microsoft driver tetherxp.inf windows 10
Better alternatives exist — For USB tethering on Windows 10, most modern devices use built‑in RNDIS, ECM, or NCM drivers (via rndiscmp.sys, usbnet.sys) without needing tetherxp.inf. If you still need it, extracting the .inf and .sys from an old XP install and manually updating the driver via Device Manager is the common hack.
Security & compatibility — Using an XP‑era driver on Windows 10 can expose you to stability or security issues, as Microsoft’s hardware stack and driver model have changed significantly.

If you’ve seen a specific review or article calling tetherxp.inf "interesting" for Windows 10, they’re likely highlighting how an ancient driver still finds occasional, unsupported use — a testament to Windows’ long‑standing backward compatibility quirks. It sounds like you're referring to the tetherxp

Would you like a step‑by‑step guide to safely try installing it (if you have legacy hardware), or want to know the modern equivalent for USB tethering on Windows 10?

Method 1: USB Tethering (Recommended – No XP Driver Needed)

Connect your phone to the PC via USB.
On your phone (Android):
- Go to Settings → Network & Internet → Hotspot & Tethering.
- Enable USB tethering.
On Windows 10:
Within seconds, a new network adapter called "Remote NDIS based Internet Sharing Device" appears in Control Panel → Network Connections. Internet should start flowing.

Note for iPhones: Install the latest iTunes (from Apple, not Microsoft Store) – it includes the necessary Windows 10 driver. Then enable Personal Hotspot via USB.

Issue: Device connects and disconnects rapidly

Fix: This is usually a bad USB cable or a power issue. Legacy devices draw power differently. Try a USB 2.0 port (not a blue USB 3.0 port) or use a powered USB hub.

1. Introduction: The Era of the Tether

To understand the significance of tetherxp.inf, one must first revisit the telecommunications landscape of the mid-2000s. The smartphone revolution was in its infancy; the iPhone had not yet been released, and the "smart" device of choice was often a Windows Mobile Pocket PC or a BlackBerry. It’s a legacy XP driver — Microsoft never

Mobile carriers charged exorbitant fees for data, and "Hotspot" features were rarely included in standard plans. However, tech-savvy users realized that their phones had data connections, and their laptops had USB ports. The solution was simple in concept but difficult in execution: use the phone as a modem.

Enter HTC (High Tech Computer Corp), a Taiwanese manufacturer whose devices were among the first to popularize "Internet Sharing." To connect these devices to a Windows XP computer, a driver was required. That driver was defined by the information file: tetherxp.inf.

Where to Download a Safe Copy of tetherxp.inf

Crucial security note: Never download .inf or .sys files from random driver websites. Many are malware-laden.

5. Alternatives to `tetherxp.inf` on Windows 10

While tetherxp.inf is functional, it is not the only method for USB tethering. Depending on your device, you might benefit from these alternatives:

How Tethering Works with This Driver

The driver implements the RNDIS protocol, which encapsulates Ethernet frames over USB. From Windows 10’s perspective, the tethered phone appears as a standard network interface card (NIC). Once activated, IP traffic flows through the USB cable, allowing the PC to use the phone’s data plan.