Installing MultiKey on modern 64-bit systems like Windows 10 or 11 requires bypassing standard security protocols because the driver is typically unsigned. Driver Signature Enforcement: This security feature must be disabled (often via ) to allow the multikey.sys driver to load. Administrative Rights: Installation scripts (e.g., install.cmd

: Short for 64-bit, x64 refers to a type of computing architecture used by modern CPUs. Software compiled for x64 architectures can take advantage of the increased memory addressing capabilities and other features of 64-bit processors.