Here i have small trick for you. MAC (Media Access Control) is Physical address of your device. You can check your Mac with cmd. There are two commands which let you check your mac address.
1. IP Config
1. ipconfig /all
You can check ip address with this command. It also show you mac address of device connected with internet. You can check mac address of that device. It Show mac of connect device only.
This command is very handy. It will address of all device like lan card, wireless card etc.
If you find any difficulties feel free to comment. We will give you solution of your problem.. If you find it helpful please share it with your friends.