Choose "Browse my computer for drivers" and select the folder you just extracted. How to Enable USB Debugging on Digno BX2
If you downloaded from an official Kyocera source, it is safe. Some AVs flag .inf driver files as heuristic risks. Always verify the digital signature: Right-click driver > Properties > Digital Signatures tab – look for "Kyocera Corporation." KYOCERA Digno BX2 Drivers Download