I have been using Win32 Disk Imager to get the Raspbian OSs onto the SD cards for my RPis and the extension it uses is .img, not .iso.
I now want to get the Windows10_InsiderPreview_IoTCore_RPi_ARM32_en-us_14295.1000.iso file on a SD card to use on my RPi 3. How do I get this on my SD card?