This specific file is the installer for the filter driver. It is commonly used on Windows to allow programs to communicate directly with USB devices (like Arduino, 3D printers, or development boards) without needing the manufacturer's proprietary drivers.
. This legacy tool is primarily used to allow Windows applications to communicate with USB devices without writing a full custom kernel driver. SourceForge Overview of libusb-win32 Filter Driver libusbwin64develfilter1260exe new
While modern versions of libusb (such as libusb1.0) use a cleaner "WinUSB" approach, the older "Filter Driver" mechanism served a unique and vital purpose: it allowed a developer to intercept communications for a device that already had a driver installed. libusb-win32 This specific file is the installer for