@Sunghyun Park
Hi,
You could edit the Unattend.xml and go to oobeSystem.
Expand amd64_Microsoft-Windows-Shell-Setup_neutral.
Select OOBE.
Set SkipMachineOOBE and SkipUserOOBE to true.
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-vista/cc721948(v=ws.10)
To specify a product key, please refer to the following steps:
https://www.windowscentral.com/how-create-unattended-media-do-automated-installation-windows-10
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.
Hope above information can help you.
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