No drivers are needed; please make sure libusb is installed.
Do I need any drivers for Linux or Mac while running Fortress?
What Operating Systems does Fortress work with?
Fortress keys work on Windows, Linux and Mac OS.
Does Fortress require any drivers on the end-user’s machine?
Fortress is a driverless key, which works using native Windows HID drivers. No external drivers are needed to run the key.
Quick Start Guide for Fortress Keys
How can I program my KL2/3 keys individually with different licensing parameters?
You can use KLTool.exe for programming your keys using the “Program KEYLOK2” tab.