How to Disable Driver Signing Enforcement in Windows 8

Windows will prevent users to install drivers without digital signature so to enable drivers without signature installation you need to disable driver signing enforcement.

STEP 1
1. Press Windows key + R, when the "run" box appear type:

shutdown.exe /r /o /f /t 00

STEP 2
2. Before it restart, a start up setting screen will appear. Make the following selection:

Troubleshoot — Advanced options — Start Up Settings — Restart

STEP 3
3. Select " Disable driver signature enforcement" after reboot.