A user has a home computer with a cable Internet connection and no other computers on his home network.

Which of the following methods can this person use to upgrade from Windows 7 Home Premium to Windows 7 Ultimate?

A.
Sysprep

B.
Windows PE

C.
WDS

D.
Windows Anytime Upgrade

Explanation:
Windows Anytime Upgrade
With Windows Anytime Upgrade, shown in Figure,you can purchase an upgrade to an application over the Internet and have the features unlocked automatically. This upgrade method is more suitable for home users and users in small businesses where a small number of intra-edition upgrades is required.