A company has an Active Directory Domain Services (AD DS) domain. All client computers run Windows 7. You plan to upgrade the client computers to Windows 8.1 Pro.
You need to choose the methods that do not require the manual entry of a product key during the upgrade.
Which two methods should you choose? (Each correct answer presents a complete solution. Choose two.)
A. Use the Windows 8.1 online upgrade tool.
B. Use Group Policy to assign the Windows 8.1 installation file to the client computers.
C. Use the Microsoft Deployment Toolkit.
D. Extract the contents of the Windows 8.1 .iso image file to a new shared folder and run the setup program from that folder.