There's no need to order the Windows DVD since you'll be downloading a full disc image which gives you the ability to make your own disc for backup.
NDỤMỌDỤ: Ọ dịghị mkpa ka ị dezie Windows DVD ebe ọ bụ na ị ga-ebudata ihe oyiyi zuru ezu nke na-enye gị ohere ịmepụta diski gị maka ndabere.