Your friend asks for your help with upgrading his computer to Windows 10. You plan to perform a clean install of Windows 10 on his computer, which has Windows 8.1 installed.
What should you tell your friend he will be able to find on the computer’s hard drive after the installation is complete?
A. previous Windows8.1 installation
B. backup copy of all personal files
C. user profiles migrated to Windows 10
D. Windows 10 installation files
