Silence is Golden

Unattend.xml

<!-- https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/settings-for-automating-oobe  -->
<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
    <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">
            <ComputerName>*</ComputerName>
        </component>
        <component name="Microsoft-Windows-Deployment" 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">
            <RunSynchronous>
                <RunSynchronousCommand wcm:action="add">
                    <Description>Silence is Golden - Silence Cortana during Setup</Description>
                    <Order>1</Order>
                    <Path>reg.exe add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\OOBE /v DisableVoice /t REG_DWORD /d 1</Path>
                </RunSynchronousCommand>
            </RunSynchronous>
        </component>
    </settings>
    <settings pass="oobeSystem">
        <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">
            <OOBE>
                <ProtectYourPC>1</ProtectYourPC>
                <HideEULAPage>true</HideEULAPage>
                <HideWirelessSetupInOOBE>true</HideWirelessSetupInOOBE>
                <HideLocalAccountScreen>true</HideLocalAccountScreen>
                <HideOnlineAccountScreens>true</HideOnlineAccountScreens>
                <HideOEMRegistrationScreen>true</HideOEMRegistrationScreen>
            </OOBE>
            <UserAccounts>
                <AdministratorPassword>
                    <Value>UABAAHMAcwB3ADAAcgBkAEEAZABtAGkAbgBpAHMAdAByAGEAdABvAHIAUABhAHMAcwB3AG8AcgBkAA==</Value>
                    <PlainText>false</PlainText>
                </AdministratorPassword>
            </UserAccounts>
            <FirstLogonCommands>
                <SynchronousCommand wcm:action="add">
                    <Description>ReEnable Cortana After Setup</Description>
                    <Order>1</Order>
                    <CommandLine>reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\OOBE /v DisableVoice</CommandLine>
                    <RequiresUserInput>false</RequiresUserInput>
                </SynchronousCommand>
            </FirstLogonCommands>
        </component>
        <component name="Microsoft-Windows-International-Core" 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">
            <InputLocale>en-US</InputLocale>
            <SystemLocale>en-US</SystemLocale>
            <UILanguage>en-US</UILanguage>
            <UserLocale>en-US</UserLocale>
        </component>
    </settings>
</unattend>