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From the Apple menu in the upper left hand corner, choose System Preferences Settings > Network
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- Select the interface you need the Hardware/Mac/Ethernet address of Click on the Advanced button
Wired or Wi-Fi networks. - Click "Details..." to the right of the interface.
- For ethernet MAC address under the ethernet connection tab, select the "Hardware" tab to show the address
- For Wireless MAC address under the Wi-Fi connection tab, the WI-Fi MAC address will be located at the bottom of the Wi-FI tab.
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