A MAC address is an important element in all internet devices that connects to the internet. MAC stands for Media Access Control. A MAC address is the physical address of any device, and the address is used to identify the device. The MAC of all wireless devices are unique. In other words, no two Wi-Fi devices in the world would ever have identical MAC addresses.
When troubleshooting Wi-Fi issue, knowing the MAC address is critical. In other words, we can’t fix any Wi-Fi issues without knowing your MAC address.
Depending on your device, there are a few places to look: