A+ Pop Quiz: This might take some time. Which of the following would be the best way to upgrade a computer from Windows 8.1 Professional x64 to Windows 10 Pro x64? A) Backup all personal files, perform a fresh install of Windows 10, and restore all personal files B) Use the Windows 10 Upgrade Checker C) Perform a Custom (Advanced) installation of Windows 10 D) Use the Windows Upgrade Assistant E) Insert the Windows 10 installation media and run the setup from the Windows 8.1 desktop F) Get a comfortable chair
