You have five computers that run Windows 8.1 Pro.
You need to perform an upgrade installation of Windows 10 on the computers.
What should you do?
A. Apply an image of Windows 10 by running imagex.exe.
B. Start the computers from Windows PE, and then run setup.exe from a network share that contains the Windows 10 installation source files.
C. While signed in to Windows 8.1 Pro, run setup.exe from a network share that contains the Windows 10 installation source files.
D. Start the computers from a bootable USB drive that contains the Windows 10 source files.
