Solved! I formatted local disk c while updating windows 10 what should I do next

Oct 22, 2018
I downloaded windows 10 iso and burned it into a usb , while the system finished updating it shows a message to choose in which disk you want to install it,i don't know what to do so I checked youtube and exactly did that steps
he says to format local disk c and click the next option,so format it and can't click the next option . What should I do next i don't have any os other than dos(i know iam very week in grammar)pls help me