Consider the format that suits your needs best—downloadable offers flexibility, while a DVD provides a physical backup.
Consider the format that suits your needs best—downloadable offers flexibility, while a DVD provides a physical backup.
Available in a downloadable format to ensure recovery if corrupted, unlike the DVD version which cannot be restored.
Information is always accessible, data can be saved in any storage type.
I've never encountered anyone fixing the data on CD/DVD that's been damaged or corrupted.
I understand that possessing a valid key allows you to obtain an ISO from Microsoft, which isn't surprising. Keep in mind that the person asking might prefer not to repeatedly create a new ISO onto a DVD whenever the existing one becomes damaged or unreadable.
It's the same, so you can obtain a physical version just for that. You're free to download the ISO or use the upgrade tool from the MS site no matter whether you already have a DVD or key. http://windows.microsoft.com/en-us/windo...t-key-only