Get the MultiKey package from a reliable source. Disable Driver Signature Enforcement: Go to Settings > Update & Security > Recovery . Under Advanced Startup , click Restart Now .
Multiple GitCode repositories offer signed drivers specifically tested on Windows 10 x64 and Windows 11: virtual usb multikey key 64 bit driver download top
Click , choose Install the hardware that I manually select from a list (Advanced) , and click Next . Select Show All Devices and click Next . Get the MultiKey package from a reliable source