On windows, To find out the MAC address:?
1) Go to the Start Menu -> Run. Type "cmd" and click on OK to bring up a command prompt.?
2) At the command prompt type "ipconfig /all > c:\\ipconfig.txt"?This will create a file in your C drive called ipconfig.txt. This file will have the MAC address in it.
On Mac:
1) Open System Preferances
2) Go To Network
3) in the list of connections, select the active one, and click the advanced button
4) Go to the Ethernet tab and note the Ethernet ID