You have a computer that runs Windows Vista (x86). You need to perform a clean installation of Windows 7 (64-bit). What should you do?
A.
From the Windows 7 installation media, run Rollback.exe.
B.
From the Windows 7 installation media, run Migsetup.exe.
C.
Start the computer from the Windows 7 installation media. From the Install Windows dialog box, select the Upgrade option.
D.
Start the computer from the Windows 7 installation media. From the Install Windows dialog box, select the Custom (advanced) option.