Hi, @Anonymous
Thank you for posting in Microsoft Q&A forum.
Yes, the ADK is backwards compatible. You are able to deploy the earlier version of windows 10 with the new ADK.
Remember to patch the KB4564442 for ADK 2004 to avoid some possible issues.
https://support.microsoft.com/en-us/topic/windows-10-deployments-fail-with-microsoft-deployment-toolkit-on-computers-with-bios-type-firmware-70557b0b-6be3-81d2-556f-b313e29e2cb7
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