Windows XP/2000
Find the Command Prompt Window under "Start" and then "Programs" and finally "Accessories".
Run ipconfig/all from a Command Prompt window.
(click Start, then Run, then type cmd in the text box.)
Type in ipconfig/all in the Command Prompt Windows.
The 12-digit Physical Address is the same as MAC address
*You will need to register all MAC addresses in cases where you have both wired and wireless interface in your system.
Windows Vista
Type "Command" into the main search bar.
Run ipconfig/all from a Command Prompt window.
(click Start, then Run, then type cmd in the text box.)
Type in ipconfig/all in the Command Prompt Windows.
The 12-digit Physical Address is the same as MAC address
*You will need to register all MAC addresses in cases where you have both wired and wireless interface in your system.