First, a little theory. MAC address is the static name of the network device assigned by the manufacturer. Full abbreviation - media access control. Absolutely all ethernet-based devices have it, and, consequently, your network adapter.
In the standard OSI model, the physical address acts as the channel identifier of the device. It is used by all high-level protocols, such as IP versions 4 and 6. The physical addresses of network devices, and this is how the MAC can be determined, are distributed by the Institute of Electrical and Electronics Engineers (IEEE), an international non-profit organization. Converting to and from an IP address is done using ARP and Reverse ARP. This MAC address consists of 48 bits, divided into 6 octets (8 bits each).
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There is another popular program for changing the MAC address - SMAC. Its capabilities are much wider. Support for operating systems - from Windows 2000 to the "seven", you can select up to 10 recently used addresses, the support list includes almost all manufacturers of network cards. The program also provides network card logs and other important information, so the problem of how to find out the MAC address without using the command line and hidden menus is not for the user of this utility.