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.
