Hello Allen Albindia,
Thank you for posting in Q&A forum.
To download the Windows 10 ISO for ARM, :
- You need Join the Windows Insider Program
- Once you’re a member of the Windows Insider Program, go to the link: Windows Insider Preview Downloads page.
Reference:
Join the Windows Insider Program and manage Insider settings - Microsoft Support
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best Regards,
Daisy Zhou
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