Hi @Fred Shead ,
Welcome to Microsoft Q&A!
Please refer to this document: Setting up a Raspberry Pi.
So, I suggest you use Pi 2 and 3 if you want to install IoT Core .
Here are the relevant documentations: https://learn.microsoft.com/en-us/windows-hardware/manufacture/iot/iot-core-manufacturing-guide?view=windows-10
Best regards,
Seeya
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