What (Windows, macOS, Linux) are you using? Are you trying to change the MAC for Wi-Fi or Ethernet ? Is this for a physical machine or a virtual machine (VM) ? I can provide more tailored steps based on your answers. Understanding MAC Addresses: A Beginner's Guide
After restarting, the MAC address will revert to the original manufacturer address. A mac address change v3.0
Right-click the Start button and select Device Manager . What (Windows, macOS, Linux) are you using
sudo ip link set dev eth0 address XX:XX:XX:XX:XX:XX Up Interface: sudo ip link set dev eth0 up . Important Considerations I can provide more tailored steps based on your answers
Expand "Network adapters" and right-click your network card (e.g., Intel Ethernet, Realtek Wi-Fi), then select Properties . Configure Address: Go to the Advanced tab.
Run the following command (replace with your desired address): sudo ifconfig en0 ether xx:xx:xx:xx:xx:xx Verify: Run ifconfig en0 | grep ether again. Reconnect: Toggle Wi-Fi off and on to apply changes. Method 3: Linux (Using iproute2)