Type the following command and hit Enter: bcdedit /set testsigning on
Installing MultiKey 18.1 on modern 64-bit Windows systems (Windows 10 and Windows 11) requires specific workarounds. Because the driver lacks an official digital signature, Windows will block it by default.
How to Install MultiKey 18.1 (x64) on Windows 10 & 11 Installing the MultiKey 18.1 emulator on a 64-bit Windows system is a common necessity for running legacy software protected by USB dongles (like Sentinel or HASP). Because MultiKey uses an unsigned virtual driver, modern Windows security will block it by default.
: You must restart your PC for these changes to take effect; you should see a "Test Mode" watermark on your desktop. Installation Procedure multikey 181 x64 install
Re-run the bcdedit /set testsigning on command in an elevated command prompt and restart your computer. Ensure Secure Boot is disabled in your motherboard's BIOS settings, as Secure Boot can override the testsigning command. Error: Code 10 (Device Cannot Start)
After installation, you may need to configure Multikey 181 x64 to work with your specific software application. This typically involves:
How to Install MultiKey 18.1 x64 on Windows: A Step-by-Step Emulator Guide Type the following command and hit Enter: bcdedit
You should see Device node created. If you see Failed to install driver. Error: 0x800b0100 , it means driver signature enforcement is still active. Reboot into advanced startup and disable it.
Right-click the button and select Command Prompt (Admin) or PowerShell (Admin) .
Windows may display a red warning window stating: "Windows can't verify the publisher of this driver software." Click . Because MultiKey uses an unsigned virtual driver, modern
The MultiKey 18.1 x64 driver package files ( multikey.sys , multikey.inf , multikey.cat ).
Verdict A compact, well-built accessory that balances practicality and DIY friendliness. Fix the stabilizers and add a little switch/foam mod, and it punches well above its class.
: Ensure the official protection drivers (e.g., Sentinel Runtime or HASP drivers) are already installed on your machine. Step 2: Disable Driver Signature Enforcement