WMIC (Windows Management Interface Command) is a command line tool that returns information about the system where it's run. To open a command line shell, at the bottom of the screen, left side of the taskbar, in the Windows search text box, type cmd. In the menu that appears, select Command Prompt. To learn your computers model, vendor, and serial number, type the command shown below at the command prompt.
wmic cpu get deviceid,numberofcores,numberoflogicalprocessors

This will return the number of Cores/Logical Processors for each CPU on your machine.
More Windows Administration Information:
• Installing a Local Printer on Windows Vista
• WSH to Master Your Computer
• Three Important Techniques for Securing a Wireless Network
• CompTIA Security+ Made Easy
• Cortana, Assistant or Spy?
• NTFS Permissions
• The Windows 7 Backup and Restore Utility
• DOS Tasklist and Taskkill Commands
• Network Security Through the Principle of Least Privilege
• To Protect Your PC Disable the Windows Scripting Host
