Q&A for How to Change a Computer's Mac Address in Windows

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  • Question
    How do I know which MAC addrress can I use and is it safe ? Should I do a system backup ?
    Community Answer
    Community Answer
    There are many MAC addresses in the world, so the chances of having the same one on the same network are slim. Don't worry about it unless you have changed two devices to that MAC address. You don't have to do a backup because it's something that will reset if you delete the entry and then restart your computer.
  • Question
    If I change this MAC address, will it change the MAC address on my iPad and iPhone?
    Allan Cramer
    Allan Cramer
    Community Answer
    No, the MAC address is unique to each device. I'm not even sure you can change Apple MAC addresses, but if you can, you'll have to do that with each one.
  • Question
    If I delete the new registry entry I create, will the original Mac address be used again?
    Community Answer
    Community Answer
    No, the Mac address that you set is permanent and you'll have to do a hard reset to get the original address back.
  • Question
    Does it matter which MAC address I use? Could I lose internet access if I enter an incorrect one?
    Jved13
    Community Answer
    All MAC addresses should work. There is a small chance that if you select an address already in use on the network, issues could occur. However, this is unlikely, and if it does happen, you can simply change it again.
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