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  • Writer's pictureTechJunky

A Step-by-Step Guide to Installing Windows 11 on Unsupported Machines

Windows 11

Laying the Groundwork

Before we jump into the main process, let's get a few things straightened out:

  1. System Compatibility Check: First things first, let's check if your PC can handle the heat. Although we're talking about unsupported hardware, it's still crucial to ensure that your machine won't keel over halfway through the installation.

  2. Backup, Backup, Backup!: Can't stress this enough – always backup your data before attempting such tech gymnastics. You don't want to lose those precious memories or important files, do you?

  3. Windows 11 ISO File: You'll need the Windows 11 installation file. You can download it straight from the Microsoft website. Keep it handy, we're going to need it soon.

Getting the Tools Ready

You'll need a couple of software tools to help you along the way. Here’s the rundown:

  • Rufus: This little program is going to be your best friend. It’s a free, open-source portable application for Microsoft Windows that can be used to format and create bootable USB flash drives or Live USBs.

  • A USB Drive: You'll need this to create a bootable drive. Make sure it's got at least 8 GB of space.

Installing Windows 11 on Unsupported Hardware

Creating the Bootable USB

  1. Plug in your USB drive.

  2. Open Rufus and select your USB drive in the device section.

  3. Click on the ‘Select’ button and choose the Windows 11 ISO file.

  4. Make sure to choose the right partition scheme and file system. Usually, GPT for UEFI systems works best.

  5. Hit ‘Start’ and let Rufus do its magic.

Tweaking the Installation Media

This is where things get a bit tricky. Since we're dealing with unsupported hardware, you'll need to:

  1. Open the USB drive and navigate to the 'sources' folder.

  2. Find the file named ‘appraiserres.dll’ and delete it. This file is responsible for checking hardware compatibility, and we don’t need that kind of negativity in our lives right now.

Installing Windows 11

  1. Reboot your PC and boot from the USB drive.

  2. Follow the on-screen instructions to install Windows 11. Choose ‘Custom: Install Windows only (advanced)’ when prompted.

  3. Select the partition where you want to install Windows 11. If you're feeling adventurous, you can format the partition, but remember, this will erase everything on it.

Post-Installation Steps

Once the installation is complete, there are a few things you should do:

  • Check for driver compatibility: Some of your hardware might not play nice with Windows 11. Visit the manufacturer’s website to download the latest drivers.

  • Windows Update: Run Windows Update to get the latest patches and improvements.


  1. Is it legal to install Windows 11 on unsupported hardware?

  • Yep, it's legal. But keep in mind, Microsoft won't provide support for such installations.

  1. Will my PC run slower with Windows 11 on unsupported hardware?

  • It depends on your hardware specs. If you’re barely meeting the minimum requirements, you might notice some sluggishness.

  1. Can I revert back to my old OS if things don’t work out?

  • Absolutely! That's why we stressed on backing up your data. You can always go back to your previous operating system if needed.


Well, there you have it, installing Windows 11 on unsupported machines might seem like a daunting task, but it's definitely doable. Just remember to backup your data, follow the steps carefully, and enjoy the thrill of bending the rules. Happy upgrading!



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