: Since the driver is often unsigned by Microsoft, users must disable "Optional Driver Signature Enforcement" through Windows startup settings (usually by holding Shift while clicking Restart and selecting F7/7).
This is where the "multikey" magic happens. The cylinder accepts a patented keyway that is virtually impossible to pick with standard tools. Some versions of the 1811 include: multikey 1811
In an age of Bluetooth locks and biometric scanners, why choose a mechanical system like the 1811? The answer lies in . : Since the driver is often unsigned by