Install the unsigned driver or program.bcdedit.exe -set loadoptions DDISABLE_INTEGRITY_CHECKS.In command prompt window, type these commands in order. Important: If your BIOS supports Secure Boot, then DISABLE it. Step 2: Disable driver signature enforcement. Right-click at Command Prompt and click Run As Administrator.

Go to Start > All Programs > Accessories.

Ask Yes at User Account Control (UAC) warning message.

Right-click at the lower left corner and from the menu appears choose Command Prompt (Admin).

Run Command Prompt with administrative privileges. Step 1: Run Command Prompt with elevated rights. How to disable driver signature in Windows 10, 8 (or 8.1) & Windows 7. In this guide you can find easy instructions on how you can disable driver signature enforcement in Windows 8 & Windows 7 Operating systems (both 32 & 64 bit) in case that you want to install a legitimate and trusted program on your computer. By using Digital Signatures MS protects Windows OS from been infected from malicious codes that may be included in driver or programs. The driver signing or digital signature is a method to verify the integrity of driver packages and to verify the identity of the vendor (software publisher) who provides the driver packages. In Windows 7 & Vista OS you can bypass this problem and install any unsigned driver on your computer during the installation process, but in Windows 8, 8.1 OS the installation of unsigned drivers is impossible. You receive this error message because in latest Windows OS, all drivers and programs must have a driver signature in order to be installed on your computer.

The third-party INF does not contain digital signature information'. The full error message is : ' Windows found driver software for your device but encountered an error while attempting to install it. Problem description: In Windows 8 and Windows 8.1 you cannot install a device driver that isn't digitally signed.

Windows 7 driver signature