HOW TO DISABLE DRIVER SIGNING CHECK ON WINDOWS
Go to Start menu and type cmd.exe in the Search Bar and press Enter. (Remember you must be logged on as Administrator - if you're not, logout from your current user and login as Administrator. Or right-click the "Command Prompt" link in the start menu / accessories and select "Run as Administrator")
Now type the following and press Enter:
bcdedit.exe -set loadoptions DDISABLE_INTEGRITY_CHECKS
bcdedit.exe -set TESTSIGNING ON