1AFUWIN Method

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Guide: Spoofing your HWID using AFUWIN 3.05.04


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Before spoofing, make sure to review your current serial numbers and take a screenshot of them. Once you've finished spoofing, you can go back and compare the values to verify that the changes were successfully applied.

Step 0: Prepare

To to this Method you will need:

  1. AFUWIN Version 3.04.05: Downloadarrow-up-right

After downloading all the necessary tools, proceed to enter your BIOS and adjust the following settings:

  1. Disable Secure Boot and clear the Secure Boot keys

  2. Enable CSM (Compatibility Support Module)

  3. Disable Fast Boot

Once you have successfully spoofed your HWID, you can revert these settings to your preferred configuration.


Step 1: Dump bios.rom

First, unzip the AFUWIN tool, then open an Administrator Command Prompt and type the following:

  1. cd "the current AFUWIN path"

  2. AFUWINx64.exe bios.rom /O

After typing these commands, you should see something like this appear:

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If everything went correctly, you should now have a bios.rom file in the AFUWIN directory.


Step 2: Setup HxD and DMIEdit

First, install HxD using the installer you downloaded earlier. Then, unzip DMIEdit and open both applications.

Setting up HxD:

  1. Drag and drop your bios.rom file into the grey area in HxD.

  2. If your screen looks like the image below, you've done everything correctly.


Step 3: Editing your Serials

Start by launching DMIEdit. The first step will be to modify two key fields: the CPU Serial Number and the System Serial Number. These values are often required for system identification

System Serial Number:

  1. Go to "[Type 001] — System Information"

  2. Double Click "Serial Number" and under "String Value: xxx", change your Serial Number

  3. Next, click the icon that looks like a lightning bolt and is labeled 'All'. This will apply the changes you've made.

CPU Serial Number:

  1. Go to "[Type 004] — Processor Information"

  2. Double Click "Serial Number" and under "String Value: xxx", change your Serial Number

  3. Next, click the icon that looks like a lightning bolt and is labeled 'All'. This will apply the changes you've made.


Now we need to update the Motherboard Serial Number and the System UUID. These two fields are more complex to modify than the others, but they are also the most important serials for proper system identification.

System UUID:

  1. Start by going into "[Type 001] — System Information" in DMIEdit

  2. Double Click "UUID"

  3. Copy your current UUID under "Hexadecimal Value: xxx"

  4. Go into your configured HxD and press CTRL + R to replace

  5. In the Replace Window select: "Hex-values"

  6. In "Search for: " paste your current UUID

  7. Go back to DMIEdit and press "Auto Generates system UUID" and copy your new UUID

  8. Go back to HxD and in "Replace with: " paste your new UUID

  9. Under "Search direction" select "All" and press "Replace All"

  10. Press CTRL + S to save your new changes

Motherboard Serial Number:

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  1. Start by going into "[Type 002] — Base Board/Module Information" in DMIEdit

  2. Double Click "Serial Number" and copy your current Serial Number

  3. Go into HxD with your bios.rom loaded and press CTRL + R to replace

  4. in the Replace Window select: "Text-string"

  5. In "Search for: " paste your current Serial Number

  6. In "Replace with: " type a new Serial Number the same length as the old one (see above)

  7. Under "Search direction" select "All" and press "Replace All"

  8. Press CTRL + S to save your new changes


Step 4: Flash your new bios.rom

After you've successfully modified all necessary serial numbers, the next step is to flash the updated BIOS to your system. This process is essential, as it applies the changes you've made by writing them directly to the system firmware. Without flashing, the new serials will not be stored permanently and your system will continue to use the old values.

Flashing the BIOS essentially overwrites the existing firmware with the modified version, ensuring that your changes — such as the CPU Serial Number, System UUID, and Motherboard Serial Number — are properly saved and recognized by the system during startup.

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Start by opening a Administrator Console Prompt and type in the following commands:

  1. cd "your current AFUWIN directory"

  2. AFUWINx64.exe bios.rom /GAN

You will see something like this if you did everything right:

If you followed all the steps correctly, the flashing process should complete successfully and display a message such as "done". This indicates that your modified BIOS has been written to the system.

Step 5: Post Spoofing

Now that your BIOS has been successfully spoofed, you can move on to other system identifiers, such as your MAC address, Volume ID, or Disk Serial Number. These values are often used by software and anti-cheat systems for hardware identification.

I'll cover how to spoof each of these as well. So if there's already a dedicated page or section on these topics, feel free to go ahead and complete them next.

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