Bootcamp Windows 10 - No image are available
Solution 1:
When I used an old product Win 7 Pro product key thinking I could upgrade (iso was Win 10 single language) it stated no images available when I entered my old key.
When I skipped entering a product key, it brought up the iso image as expected.
On the second computer, I downloaded the first english image from Microsoft and it accepted the pro key. Very strange that the single language image meant home only (not pro).