Your MAC address, or Media Access Control address, is a unique identifier for your machine on a given network, though it has no relation to Apple or Mac computers in title.

Locating your IP Address and MAC address

1. On your Mac, choose Apple menu   > System Preferences, then click Network.
   
   

   
    

2. Click the "Advanced..." button.
   
   

   
    

3. With the menu buttons at the top of the window, you can locate both your IP address and your MAC address.
    

4. For your IP address, choose the TCP/IP tab.
   
   

   
    

5. For your MAC address choose the Hardware tab.