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:
• For Quick Information About System - DOS Systeminfo Command
• Use Free Autoruns Utility to Disable Unnecessary Startup Programs
• Create a Windows 7 Disk Image Backup
• Script to Display the Processes Running on a Computer
• How to Configure the msdos.sys file
• Tweaks to Speed Up Internet Streaming Video
• The Windows 7 Backup and Restore Utility
• How to Harden a Server
• SMART Disk Drives Warn You Before They Fail
• Restrict Web Browsing With Internet Explorer
