AutoUnattend.xml

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
    <settings pass="windowsPE">
        <component name="Microsoft-Windows-Setup"
                processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35"
                language="neutral" versionScope="nonSxS"
                xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State"
                xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <UserData>
                <ProductKey>
                    <Key>GT6NT-HTY8G-XP4RQ-FPBTY-G3CHC</Key>
                </ProductKey>
            </UserData>
        </component>
    </settings>
    <settings pass="specialize">
        <component name="Microsoft-Windows-Shell-Setup"
               processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35"
               language="neutral" versionScope="nonSxS"
               xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <ProductKey>GT6NT-HTY8G-XP4RQ-FPBTY-G3CHC</ProductKey>
        </component>
    </settings>
</unattend>