I think you can install win8 from a usb drive but it was advisable not to try dual boot.link.
Replace your HDD with a cheap one and install win8 via the flash drive would be my advice. It's only an evaluation key you'll get.
iPhone X review
Political cartoons in 2017: Chris Riddell, Rebecca Hendin and Dave Brown on what it’s like to…
The best iPhone for 2017
Tennis : comment regarder la finale de la Coupe Davis 2017 ?