Secure Boot prevents unsigned or improperly signed drivers from loading during system startup. Even if you install the driver, Windows 11 will block it from running.
Open Command Prompt as Administrator and run: Virtual Usb Multikey Driver Windows 11
Disabling Secure Boot will not affect normal Windows 11 operation, but some security features (like BitLocker) may require recovery keys. Secure Boot prevents unsigned or improperly signed drivers
To get the driver working, users typically follow a multi-step "long" process that involves lowering system security: Disable Driver Signature Enforcement Restart Windows into Advanced Startup mode (Settings > Recovery > Advanced Startup). Troubleshoot Advanced Options Startup Settings Virtual Usb Multikey Driver Windows 11