You are a desktop support technician for your company. An error occurs when you attempt to install Windows Vista on a computer that has the following hardware configuration:

800 MHZ CPU
256 MB memory
20 GB free space hard drive
Onboard Super VGA (SVGA) display adapter with independent memory

You need to ensure that the computer meets the Windows Vista installation requirements.

A.
Increase the memory to at least 512 MB.

B.
Change the existing CPU to a 1-GHZ CPU.

C.
Clean the hard drive to create at least 30 GB of free space.

D.
Install a display adapter that has at least 256 MB of display memory.