Silent installation at first boot animation

This question has been bothering me for a long time, how to silently install applications and run silent parameters at the first boot animation? And then delete all the silent folders and files?

If you can help me answer this question also can
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Is it to keep the sysprep component?

Just use the $OEM folder and OOEB configuration to start the WinReducer_*PI.cmd
and do what you want inside