I cannot create a Windows 10 install USB from OSX. I only get Windows 7 as an option in the Bootcamp USB wizard and it fails to boot from the USB when I try it.
The ISO is downloaded from Microsoft and I've tried to re-download it. The USB flash drive worked with a Ubuntu LiveUSB created with unetbootin.
Note: My intent is to install this on a PC, Bootcamp Assistant just seemed to be the easiest way to create the USB key on a Mac.