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.