The installer ( libusb-win64-filter-bin-x.x.x.x.exe ) performs the following steps:
If your specialized USB hardware (like older scanners, hobbyist microcontrollers, or DIY peripherals) isn't showing up in your software, you might need to attach a filter driver. Download the libusb-win32 installer . Run the Filter Wizard ( install-filter-win.exe ). Select "Install a device filter." Find your device in the list and click Install .
Tip for Mediatek : You may need to trigger "BROM" or "VCOM" mode by holding specific volume keys while connecting. Locate your device in the list (e.g., "MediaTek USB Port"). Highlight the device and click immediately. Verification libusb-win64 filter installer
Attaches the libusb filter to one specific USB device based on its Vendor ID (VID) and Product ID (PID).
For most other uses—especially if you are starting a new project or developing on Windows 10/11—you will be better served by and the WinUSB driver. They are easier to use, more reliable, and better supported by the current libusb maintainers. The installer ( libusb-win64-filter-bin-x
HKR,,"LowerFilters",0x00010008,"WinUSB"
Many modern developers prefer a tool called over the legacy libusb-win32 filter installer. libusb-win32 Filter Installer Zadig (WinUSB / LibusbK) Mechanism Attaches to the existing driver stack. Replaces the existing driver entirely. Driver Type Legacy libusb-win32. Modern WinUSB, libusb-win32, or libusbK. Safety High risk if "Class Filter" is chosen. Lower risk; targets single devices cleanly. Windows 10/11 Requires driver signature enforcement tweaks sometimes. Native support with proper digital signatures. Select "Install a device filter
Click , then unplug and replug the USB device to force Windows to reload the default factory driver. Libusb-win32 Filter vs. Zadig