Hi and thanks for reaching out. My name is William. I'm a Microsoft Windows Certified Professional and Systems Administrator. I'll be happy to help you out today.
Technically, this is not supported. Microsoft is quoted as saying "Microsoft only licenses Windows 10 on ARM to OEMs. We have nothing further to share at this time." But there is no harm is giving it a try. However, this post on the raspberry forums seems to indicate it does work:
https://www.raspberrypi.org/forums/viewtopic.ph.... Of course, the product key should not be tied to another device.