You need to install Windows 7 over an existing version of Windows.
Which type of installation should you use to retain all your files, settings, and programs on your computer?
A . Use the Windows Easy Transfer tool, and select Custom (advanced).
B . Use the Windows 7 installation disk to perform a system repair.
C . Use the Windows Easy Transfer tool, and select Upgrade.
D . Use the Windows 7 installation disk to perform a clean installation.
Answer: C