Vadikan,
Я бы не стал спрашивать, перед этим не изучив шапку, поиск по теме, документацию на WAIK + google.
Файл ответов таков:
Код:

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
<servicing></servicing>
<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">
<ImageInstall>
<OSImage>
<InstallFrom>
<MetaData wcm:action="add">
<Key>/IMAGE/INDEX</Key>
<Value>2</Value>
</MetaData>
</InstallFrom>
<InstallToAvailablePartition>false</InstallToAvailablePartition>
<WillShowUI>OnError</WillShowUI>
</OSImage>
</ImageInstall>
<UserData>
<AcceptEula>true</AcceptEula>
</UserData>
</component>
<component name="Microsoft-Windows-International-Core-WinPE" 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">
<SetupUILanguage>
<WillShowUI>Always</WillShowUI>
</SetupUILanguage>
</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>
<HideEULAPage>true</HideEULAPage>
<SkipMachineOOBE>false</SkipMachineOOBE>
<SkipUserOOBE>true</SkipUserOOBE>
<HideWirelessSetupInOOBE>true</HideWirelessSetupInOOBE>
</OOBE>
<FirstLogonCommands>
<SynchronousCommand wcm:action="add">
<CommandLine>cmd /C %systemroot%\setup\scripts\GUIrunOnce.cmd</CommandLine>
<Description>Reg</Description>
<Order>1</Order>
</SynchronousCommand>
<SynchronousCommand wcm:action="add">
<Order>2</Order>
<CommandLine>cmd /c %DiskRoot%\Install\FirstLogonCommands.cmd</CommandLine>
</SynchronousCommand>
</FirstLogonCommands>
</component>
</settings>
<settings pass="specialize">
<component name="Microsoft-Windows-Security-Licensing-SLC-UX" 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">
<SkipAutoActivation>true</SkipAutoActivation>
</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">
<Order>3</Order>
<Path>reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d 0 /f</Path>
<Description>Disable UAC for users</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>4</Order>
<Path>reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "FilterAdministratorToken" /t REG_DWORD /d 0 /f</Path>
<Description>Disable UAC for admin</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
</unattend>
Перед установкой почему-то нет диалогового окна, где должно предлагать, какой тип установки нужен (обновление+полная установка).