In the space next to Open, erase anything that is there and type: cmd
In the window that opens, type the following ipconfig /all and press .
The MAC address is on the line labeled Physical Address. It will look something like 00-06-5B-C4-86-66. If you have more than one networking card, you will have more than one MAC address. It will also be labeled Physical Address but under a different heading. I.E. one heading may be Ethernet adapter Local Area Connection and one may be Ethernet adapter Wireless Network Connection
The IP address is on the line labeled IP Address. It will look something like 188.8.131.52.
To close this window, click the X in the upper right corner or typeExitand hit
Click the Apple icon on the upper left corner of the screen and go to System Preferences.
Select Network and select their internet connection in the left taskbar (Ethernet or Airport/Wi-Fi). You'll find the IP address listed under status.
To find the MAC address, click Advanced.
Navigate to the Ethernet or Airport tab and you'll find the MAC address listed next to Ethernet ID or Airport ID.