To find out what IP address your PC is using, or to identify your MAC address, please follow the steps outlined below. Windows NT/2000/XP
1.
Click the Start button, and select Run. In the space provided, enter cmd and click OK.
2.
At the command line, enter ipconfig /all and press enter. Your MAC address will be displayed as the Physical Address and your IP address will be displayed as the IP Address (see screenshot below).