The installation method of Win8_x64 is almost the same. The first method is 1. Run MultiKey.exe with administrator privileges. Click Install first, and then click Repair. Do not start the system immediately. Click "Settings" in the lower right corner of the system, and then disable the digital signature to restart the system. 2. After restarting the system, the virtual usb multiky device and the SafeNet Inc. HASP key will be installed correctly. The second way is 1. Disable digital signature to start the system. 2. copy "SN-U 10066". EGF“to C:\ Users \ Public \ EPLAN \ Common”。 3. Click "SN-U 10066.reg" to add it to the registry.