If you specifically need to use a tetherxp.inf file (e.g., for niche hardware or legacy testing), follow these steps to install it manually:
Microsoft’s Kernel-Mode Code Signing (KMCS) enforcement. Fix: Disable Secure Boot → Enable Test Mode (as shown above). For permanent use, self-sign the driver using a test certificate. microsoft driver tetherxp.inf 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: If you specifically need to use a tetherxp
Windows 10 already includes updated RNDIS drivers that automatically recognize almost any Android phone the moment it’s plugged in. The Relic: While tetherxp
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.