Using unsigned drivers with windows 8.1 64-BIT

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How to Disable Driver Signature Verification on 64-Bit Windows 8.1 (So That You Can Install Unsigned Drivers)


If you see the following error message when trying to install one of our drivers in Windows 8.1 64-BIT then you will need to disable driver signature enforcement.

1 Problem.jpg


The instructions to do this can be found in this PDF - Media:How_to_Disable_Driver_Signature_Verification_on_64.pdf‎

For a video of these steps, please click here


Or follow the steps outlined below:


Press the Win + C keyboard combination to bring up the Charms Bar, then click on the Settings Charm.

2 Settings.jpg


Click on the Change PC settings link.

3 Change PC Settings.jpg


When the Control Panel opens, switch over to the “Update & recovery” section.

4 Update and recovery.jpg


Then click on the Recovery option on the left hand side.

5 Update and recovery Recovery.jpg


Once selected, you will see an advanced startup section appear on the right hand side. You will need to click on the “Restart now” button.

6 Advancd setup restart now.jpg


Once your Computer has rebooted, choose the Troubleshoot option.

7 Troubleshoot.jpg


Then Advanced options.

8 Advanced options.jpg


Then Startup Settings.

9 Advanced options startup settnigs.jpg


You will need to restart your Computer one last time.

10 Restart to change windows options.jpg


Finally, you will be given a list of startup settings that you can change. The one we are looking for is “Disable driver signature enforcement”. To choose the setting, you will need to press the F7 key.

11 Startup setting F7.jpg