How to enter Command Prompt

How to enter Command Prompt?

Windows XP users:

1. Click Start (at the left bottom of your desktop).
2. Click Run
3. Type cmd and press enter.

Windows Vista users:

1. Click Start window icon (at the left bottom of your desktop)
2. Type cmd and press enter or
3. Type cmd and right click cmd.exe and click Run as Administrator
4. Click Continue