Right-click "My Computer", Properties. It's right there on the "General" tab.
While there, click the Hardware tab, "Device Manager: button, click the + alongside "Processors,
and there it is again.
More?
Click Start -> Run -> and type (or copy & paste) the following...
SystemInfo >C:\Info.txt
Now read the "Info.txt" file on the C:\ drive.
More?
Here's a free program that will tell you more abour your system than you ever knew existed.. http://www.belarc.com/