You have a computer that has the following configurations:

* Operating system: Windows 7 Professional
* Processor: 2.2 gigahertz (GHz) (x86)
* RAM: 2 GB
* Hardware virtualization: Disabled
* TPM chip: Disabled

You need to ensure that you can run Windows XP Mode on the computer. What should you do?

A.
Upgrade to a 64-bit processor.

B.
Enable hardware virtualization.

C.
Enable the Trusted Platform Module (TPM) chip.

D.
Upgrade the operating system to Windows 7 Ultimate.