Which three paths meet the requirements?

A company has 100 client computers that run various editions of Windows 7. The company
plans to upgrade or replace computers so that all client computers run an edition of Windows 8.1.
The company plans to use the following programs and features on the Windows 8 computers:
32-bit and 64-bit software
Desktop apps
Windows Media Player
Storage Spaces
You need to identify the installation or upgrade paths that support the programs and
features.
Which three paths meet the requirements? (Each correct answer presents a complete
solution. Choose three.)

A.
Attach the VHD file by using Disk Management.

B.
Import the contents of the system store from a file.

C.
Export the contents of the system store into a file.

D.
Make the VHD disk bootable.

E.
Create a new empty boot configuration data store.

F.
Create a new entry in the boot configuration data store.