so disconnect main drive thanksks .
I also noticed on the tut https://www.tenforums.com/tutorials/2376-create-bootable-usb-flash-drive-install-windows-10-a-31.html#post1190944 it says to navigate...

so your saying disconect the main os drive then install from usb

ive added some screens incase someone can tell me where im going wrong mobo is a msi mortar
161398

hi

i have tried with the windows tool and rufus but when i get to the part to install windows i get a error it an it cant be installed on the usb san disc usb3

alsoo in the rufus tut it show...