To open the Command Prompt  ( Be careful this is a very powerful tool, not for the faint hearted )

Click the Start Menu and in the ‘Search programs and files’ box type cmd and hit Enter.
23_01_2014_003

or click the Start Menu and click ‘Run’, in there type cmd and hit Ok or Enter
23_01_2014_004

You’ll now see the Command Prompt (cmd) looking like this:
23_01_2014_005

This is how you open up the Command Prompt “cmd”