MAC address stands for Media Access Control address and it is a set of numbers that are used to identify a device uniquely within a network. MAC address is used at the data link layer while communicating over the network.
The media access control address or mac address of a device is assigned to its network adapter to identify this device during network communication. Just like internet protocol address or IP address, mac address is also used to uniquely identify
To retrieve the MAC-address of a networking device on a Windows machine you can enter one of two commands into the command line tool. To open a command line search for cmd in the main menu. After wards enter either getmac