Add Command Prompt to the Explorer context menu

To add a menu item to Explorer's folder popup menu which opens up a command prompt window in the selected folder:
1. Open the My Computer icon.
2. Pull down the Tools menu, click Folder Options, then select the File Types tab.
3. Scroll down the list of extensions to the "N/A" section, then select N/A Folder. Click the Advanced button.
4. In the Edit File Types dialog box that appears, click the New button.
5. In the Action box, type the words Command Prompt.
6. In the Application Used To Perform Action box, type the command cmd.exe
7. Close the dialog box and click OK until you are back to the desktop.