Firstly make sure that your PIN, Password or any other Windows login security is disabled.

Download the Device Guard and Credential Guard hardware readiness tool from Microsoft.

Extract the downloaded ZIP file.

Open PowerShell window as an administrator.

First run this command: Set-ExecutionPolicy Unrestricted -Scope Process

After using first PowerShell command, use the same PowerShell window to disable Device Guard and Credential Guard: Navigate to the folder where you extracted the tool by using this PowerShell command:

cd PUT YOUR FOLDER PATH HERE

Now run the script with the -disable parameter to disable Device and Credential Guard by using command below: .\DG_Readiness_Tool_v3.6.ps1 -Disable

Restart your PC and press F3 if you will see a screen asking to confirm that you want to disable Device and Credential.