You are administering a Windows 2000 Professional， single Pentium II 400Mhz processor computer. You need to install a new accounting software application.  The software manufacturer recommends that you use a dual-processor configuration. First， you install a second identical processor in your computer. You need to ensure that you will be able to install the new software.  What should you do next？（）

• A、 Update the HAL to support multiple processors.
• B、 In Device Manager， disable the direct memory access controller.
• C、 Use the Add/Remove Hardware Wizard to detect and install the driver for the new processor. 
• D、 Reinstall Windows 2000 Professional to support a multi-processor configuration.