[Windows Guide] How to Permanently Spoof Your MAC Address

What is Network Interface Card (NIC)?

Think of the NIC as a tiny little magical door in your computer:

• It lets your computer talk to the outside world.
• It could be a Wi-Fi card (for wireless) 📡 or Ethernet card (for cable internet) 🖧.

Every NIC has:

• A MAC address (like its own permanent tattoo, unique for each card 💉)
• A way to send/receive data frames.

You don’t “feel” it because it just sits inside your device doing its job like a loyal bodyguard 🛡️,
but without it, your computer would be completely cut off from the network. 😱

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🛠️ Where is the NIC in real life?

• On a laptop: ➔ The Wi-Fi card inside is the NIC!
  ➔ It’s usually a tiny little chip attached to the motherboard.
  ➔ You can’t see it without opening the laptop.

• On a desktop PC: ➔ If you’re using Ethernet cable,
  the Ethernet port (where you plug in the cable) is part of the NIC! ➔ Sometimes it’s built into the motherboard (onboard NIC).
  ➔ Sometimes it’s a separate expansion card you plug into the PCIe slot.
  • e.g. Mine was Realtek PCIe GbE Family Controller.
• External NIC: ➔ If you ever use a USB Wi-Fi adapter (a little dongle you plug into your laptop),
  that’s also technically a Network Interface Card! 🔌✨

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🎯 In short:

• It’s always there quietly inside your computer.
• It’s hardware + firmware combined.
• It’s the magical piece that connects you to Wi-Fi or wired Internet.

You use it every second you’re online, but you just don’t see it - like your heartbeat. 🫀

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🌟 Step-by-step: How to find your Network Interface Card (NIC) in Device Manager

1. In Device Manager, find this folder:
   ➔ Network Adapters

2. Click to expand Network Adapters.
   Inside, you will see something like:

   • Your Ethernet card (if you have a cable plug port)
   • Your Wi-Fi card (for wireless connections)
   • Maybe even VPN adapters (virtual ones installed by apps)

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🌈 What will you see?

Usually the NIC will be listed like:

• Intel(R) Ethernet Controller
• Realtek PCIe GbE Family Controller
• Intel(R) Wi-Fi 6 AX201
• Killer Wireless AX1650i

If it’s a gaming laptop or motherboard, it might even be a Killer NIC or AX200/AX201 Wi-Fi!

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🖥️💬 Find your MAC address in 2 clicks (simple way):

1. 👉 Open you Window Terminal(admin)

(No worries if it’s not admin, normal “Windows Terminal” also OK for now.)

1. Type this magical command:

getmac

Then hit Enter. 🚀

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🌟 What you will see:

• A list of devices (your Realtek NIC will be there).
• Next to it, you’ll see something like:

08-00-27-4B-2A-8C

This is your MAC address!
(Six pairs of hex numbers, separated by dashes.)

💬 It’s your network hardware’s fingerprint - globally unique unless spoofed.

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🐾 Extra pro way (optional, if you wanna dig deeper):

Instead of getmac, you can also type:

ipconfig /all

Then scroll down to find your NIC device which you’ve seen in Device Manager.
Under it, you’ll find a line like:

Physical Address. . . . . . . . . : 08-00-27-4B-2A-8C

That’s also your MAC address! Same thing. 💖

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🌟 Why Should You Know How to Spoof MAC Address?

(even if you don’t use it all the time)

1. 🛡️ Privacy Protection:
   When you connect to Wi-Fi (especially public Wi-Fi), your real MAC address can be logged and tracked.
   Spoofing it makes you “anonymous” - like wearing a different mask every time you show up. 🎭

2. 🕵️‍♀️ Bypass MAC Filters:
   Some networks only allow specific MAC addresses to connect.
   By spoofing, you can pretend to be an allowed device.

3. 🔁 Resetting Free Wi-Fi Limits:
   At coffee shops, airports, etc., they often give you “1 hour free per device” - based on your MAC.
   Spoof it = 💥 get another fresh session.

4. 🚪 Evade Device Bans:
   If a network blocks your MAC because they hate you (lol), you can change your MAC and reappear like a ghost 👻.

5. 💻 Hacker Basic Skill:
   It’s considered basic hacker hygiene -
   Always hide your true hardware ID when testing networks, doing CTFs (Capture the Flag), or sensitive activities.

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🖥️✨ Steps to Spoof MAC Address

We’ll do it via Registry + Device Restart.

🐾 Step 1: Find your NIC name exactly

I’ll give example with mine:

Realtek PCIe GbE Family Controller

(If you forgot, you can always type wmic nic get name, index to check.)

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🐾 Step 2: Open Registry Editor

1. Press Win + R,
2. Type:

regedit

and hit Enter.

(Say YES if it asks admin permission.)

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🐾 Step 3: Navigate to NIC settings

Follow this path:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}

I’ll explain what is {4d36e972-e325-11ce-bfc1-08002be10318} later.

🚀 Now you’ll see many folders like 0000, 0001, 0002…
Each one represents a network adapter.

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🐾 Step 4: Find your Realtek one

• Click each numbered folder (0000, 0001, etc.)
• Look at the right panel.
• Find DriverDesc = Realtek PCIe GbE Family Controller

When you find it - THAT’S your NIC’s registry spot!

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🐾 Step 5: Add a “NetworkAddress” key

1. In the right panel,
   Right-click ➔ New ➔ String Value.

2. Name it exactly:

NetworkAddress

1. Double-click it ➔ In Value Data, type your new MAC address.
   (No dashes, no spaces. Only 12 hex characters.)

Example:

001122334455

(No “:” or “-“. Just pure numbers/letters.)

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🐾 Step 6: Restart NIC

Now open Device Manager →
Right-click your Realtek NIC → Disable → Enable again.

Or just reboot your PC.

After that - BOOM! 🎯 Your MAC address is officially spoofed!

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🐾 Example flow:

Step	What you put
Value name	NetworkAddress
Value data	001122334455

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🧡 Important Warnings:

• If you want to reset to your real MAC, just delete that NetworkAddress field and reboot.
• Make sure your fake MAC starts with an even number (0, 2, 4, 6, 8, A, C, E) to stay “unicast.”
• Don’t use all-zero MACs.
• This method (using Registry + “NetworkAddress”) is semi-permanent.
  • It will NOT reset after reboot!
  • Even when you restart, your Windows will still keep using the spoofed MAC address you wrote in the registry. 🎯

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🌟 What is {4d36e972-e325-11ce-bfc1-08002be10318}?

That long ugly {} thing is called a GUID (Globally Unique Identifier).
It’s like a “magic code” that Windows uses to identify certain types of devices - no matter the brand, model, whatever.

And specifically:

GUID	Represents
{4d36e972-e325-11ce-bfc1-08002be10318}	Network Adapters

✨ Always. Always. Always.
When Windows sees {4d36e972...}, it knows:

“Aha! These are Network Interface Cards (NICs)!”

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🌟 Why are there so many folders with the same GUID?

Because inside the NIC category ({4d36e972...}),
there are many different physical and virtual adapters installed on your system!

Each folder like 0000, 0001, 0002, etc., is a different device under Network Adapters.

• 0000 might be your Realtek wired NIC.
• 0001 might be your Bluetooth PAN device.
• 0002 might be your WireSock virtual VPN adapter.
• etc.

They all fall under the same family ({4d36e972...}),
but each one is a different actual network device.

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The path:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}

always leads to network adapters.

Inside there, you have to manually check each number (0000, 0001, 0002…)
and find which one matches your Realtek device.

🌈 Simple visualization:

Registry Part	Meaning
{4d36e972-e325-11ce-bfc1-08002be10318}	All network devices
0000, 0001, 0002…	Different NICs (Ethernet, Wi-Fi, Bluetooth, VPN…)
DriverDesc	Tells you which is which (Realtek / Intel / Killer Wireless etc.)

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🌟 Mission: Automate MAC Spoofing With a Tiny Script

(💬: This will make you change your MAC in 1 second, without digging into Registry manually every time.)

🛠️ Step 1: Preparation

We’ll make a simple .bat (Batch) script to:

• Write a new fake MAC into Registry,
• Restart your NIC,
• Boom! New identity. 🎭

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✨ Script structure overview:

@echo off
SET MAC=00E011223344
SET NICNAME="Ethernet"

:: Write MAC address to registry
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0000" /v NetworkAddress /d %MAC% /f

:: Disable NIC
wmic path win32_networkadapter where "NetConnectionID=%NICNAME%" call disable

timeout /t 3 /nobreak

:: Enable NIC
wmic path win32_networkadapter where "NetConnectionID=%NICNAME%" call enable

timeout /t 3 /nobreak

ipconfig /all
pause

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🌈 Customize for YOUR machine:

Field	What to Put
MAC	Your new fake MAC address (no : or -, just 12 hex characters)
NICNAME	The name of your NIC as shown in Network Connections (like “Ethernet” or custom)
{4d36e972-e325-11ce-bfc1-08002be10318}\0000	Adjust 0000, 0001, etc., based on which Registry folder matches your Realtek device

💬 How to always find the correct NICNAME?

• Open ipconfig /all
• Look at the line after Ethernet adapter, Wireless adapter, Bluetooth adapter
• The text after the colon (:) is your NICNAME.
• (And you MUST use double quotes " " in your script if the NICNAME has spaces or Chinese!)

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🎨 Step 2: Save the script

1. Open Notepad.
2. Paste the full script.
3. Save as:

spoof_mac.bat

Make sure you choose Save as type: All Files and not .txt.

1. Right-click ➔ Run as administrator.

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🎯 What will happen:

• Script changes your MAC in registry 💎
• Script disables the NIC 🔌
• Script waits 3 seconds ⏳
• Script enables the NIC again 🔥
• Script shows your new MAC live 🚀

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🌟 When you run:

reg add "..." /v NetworkAddress /d 001122334455 /f

it means:

Option	Meaning
/v NetworkAddress	Target the value named NetworkAddress
/d 001122334455	Data you want to put inside (the new MAC)
/f	Force overwrite - if it already exists, replace it without asking

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🖤 Result:

• If NetworkAddress already exists, it gets overwritten with your new MAC address.
• If NetworkAddress doesn’t exist yet, it gets created with your new MAC address.
• There will always be exactly one NetworkAddress under your NIC’s registry folder (0000, 0001, etc.), not duplicated or messy.

Every time you run this script:

• One single clean value,
• New MAC,
• No leftovers,
• No confusion. 🎯💻

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