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1. • • MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). MAC addresses are used to identify which device is which on your local network so that data gets sent to your computer and not your roommate's smartphone.
     www.howtogeek.com/764868/what-is-a-mac-address-and-how-does-it-work/

     What Is a MAC Address, and How Does It Work? - How-To Geek

2. People also ask

   Why do I need a MAC address?

   • MAC is required for a couple of reasons, the biggest of which is that IP addresses are not (necessarily) unique. Before a computer has an IP address, it typically requests one on the network by using a service called DHCP. At this point, the computer sends a broadcast message to the entire network saying “Hey, I don't have an IP address.

   networking - Why do we need MAC address? - Super User

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   What is a MAC address?

   • These MAC addresses---sometimes referred to as physical or hardware addresses---are assigned in the factory, but you can usually change the addresses in software. At the lowest networking level, network interfaces attached to a network use MAC addresses to communicate with one another.

   How (and Why) to Change Your MAC Address on Windows, Linux, and …

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   How do I Find my MAC address?

   • If you need to find the MAC address for your device, you can usually do it by going into the settings menu. You can follow our guide to finding the MAC addresses on your Windows device, whether by the Settings app or by the command prompt. It's also easy to find the MAC address on a Mac computer.

   What Is a MAC Address, and How Does It Work? - How-To Geek

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   What is a MAC address on a network card?

   • In most cases, the MAC address on a network card does not change, so essentially the address identifies the physical piece of hardware. MAC addresses are necessary for routing data across networks. They don't contain user-identifiable information, and usually they aren't even visible outside of your local network.

   What is a MAC address, and what does it reveal about me?

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   How do I Find my Network Adapter MAC address?

   • If necessary, you can select and copy the MAC address (Ctrl+c) and paste it (Ctrl+v) to a text file or a messaging app. After that, close Settings, and you're good to go. The Control Panel utility in Windows 10 or Windows 11 also lets you locate your network adapter MAC addresses, but it takes a few more clicks than the Settings app.

   How to Find Your MAC Address on Windows 10 or 11 - How-To Geek

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   Are MAC addresses permanent?

   • MAC addresses are assigned to all network adapters at the moment of their manufacture, and they are unique for each networking device. The MAC address of a network device is written by its manufacturer directly in that device's hardware read-only memory, and cannot be removed from there. And No, the MAC address is not permanent!

   What is the MAC address, and how is it used? - Digital Citizen

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3. www.howtogeek.com › 192173 › how-and-why-to-changeHow (and Why) to Change Your MAC Address on Windows, Linux ...

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   Jun 22, 2017 · Change a MAC Address in Windows. Change a MAC Address in Linux. Change a MAC Address in Mac OS X. A device's MAC address is assigned by the manufacturer, but it's not to hard to change---or "spoof"---those addresses when you need to. Here's how do do it, and why you might want to.

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4. www.howtogeek.com › 764868 › what-is-a-mac-addressWhat Is a MAC Address, and How Does It Work? - How-To Geek

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   Nov 16, 2021 · If you need to find the MAC address for your device, you can usually do it by going into the settings menu. You can follow our guide to finding the MAC addresses on your Windows device, whether by the Settings app or by the command prompt. It's also easy to find the MAC address on a Mac computer.

5. Videos

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6. www.digitalcitizen.life › simple-questions-whatWhat is the MAC address, and how is it used? - Digital Citizen

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   Feb 20, 2019 · The Physical Address of your network card, aka MAC address. MAC addresses are a string of six groups of two digits or characters which are separated by colons or dashes. A regular MAC address might very well look like this: 10-C0-A3-29-FB-C7 or 94-DE-80-0B-94-31.

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7. www.digitalcitizen.life › change-mac-address-windowsHow to change or spoof the MAC address in Windows (7 ways)

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   • How to change the MAC address in Windows 11 and Windows 10 using Device Manager. Regardless of whether you use Windows 11 or Windows 10, open the Device Manager on your computer or device.
   • How to change your MAC address in Windows 11 or 10 from the Control Panel. You can also use the Control Panel to change the MAC address, both in Windows 11 and Windows 10.
   • How to change the MAC address in Windows using third-party software. We recommend using Technitium MAC Address Changer, a freeware utility that allows you to spoof the MAC address.
   • How to change the MAC address in Windows using the Registry Editor. Start the Registry Editor as administrator and use its address bar or its navigation panel on the left to get to this path

8. superuser.com › questions › 948305networking - Why do we need MAC address? - Super User

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   Jul 31, 2015 · MAC is required for a couple of reasons, the biggest of which is that IP addresses are not (necessarily) unique. Before a computer has an IP address, it typically requests one on the network by using a service called DHCP.

9. superuser.com › questions › 187421What is a MAC address, and what does it reveal about me?

   superuser.com › questions › 187421

   Jan 8, 2012 · A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. Logically, MAC addresses are used in the Media Access Control protocol sub-layer of the OSI reference model.

10. www.howtogeek.com › 761481 › how-to-find-your-macHow to Find Your MAC Address on Windows 10 or 11 - How-To Geek

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    Oct 30, 2023 · Find Your MAC Address in System Information. Sometimes you need to know the physical hardware address, or MAC address (short for "Media Access Control"), of your network adapter on a Windows 10 or Windows 11 PC. Here are several ways to find it.