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How to Install Windows 11 on an Older Unsupported PC

The most recent version of Windows, Windows 11, introduced arbitrary minimum requirements that effectively prevented many PCs made prior to 2017 from being upgraded. Long-time Windows customers were surprised by this, as Microsoft is often more accommodating.


Nevertheless, there are a few ways to get around Microsoft’s security measures and successfully install Windows 11 on your device if you’re using an older computer. We’ve created this guide to show you how to get this done effectively.

 Windows PC

Can My PC Install Windows 11?

Before attempting any of the solutions in this guide, it’s smart to first confirm that Windows 11 is indeed incompatible with your computer. After all, if you can get your update directly through Windows Update, there may be no need to go through the extra stress.

Look through the minimum requirements first to verify that your PC satisfies them. If it’s a fairly recent PC, chances are high that you’ll meet all the requirements. We’ve listed them below:


  • CPU: dual-core, 64-bit, 1 GHz at least
  • RAM: 4 GB
  • Storage: a minimum of 64 GB
  • DirectX 12 compliant GPU
  • TPM: 2.0

Your PC needs to be running Windows 10 from 2004 or earlier before you can install the upgrade. You should also exit S-mode if it is currently activated. You can use the WhyNotWin11 program to see if your PC is compatible as well. Your PC’s health will be indicated, and if not, what’s wrong will be explained.

You don’t need to take any action if everything looks fine from the assessment; simply wait until the update automatically downloads to your device. If your PC appears to be running Windows 10 for some reason, there’s no cause for alarm; the deployment is still in progress and will continue for the foreseeable future.


If not, look into what you can do to fix the situation. Before your PC is really listed as compatible, you may need to configure TPM and Secure Boot in the event of a TPM issue, for example. If it can’t be fixed, keep reading to find out other ways to install Windows 11 successfully.

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How Can I Install Windows 11 If My Device is Incompatible?

There are two important steps in this process. Pay attention to the following:

Install a Windows 11 ISO


Installing an ISO is the simplest approach if you want to install Windows on a computer that is not supported. Microsoft decided to soften its new restriction in response to public criticism, allowing anyone with a suitable PC to install Windows 11 at their own risk. However, compared to a typical Windows installation, this will take a little more work.

Download the Windows 11 ISO file first. You can select here whether you wish to download the ISO file or the media creation tool directly. Both of these approaches are viable, but the media creation tool is probably preferable if you intend to put the installer on a boot drive or disc.

After reading the license conditions and selecting “Accept,” launch the media creation tool and select “Create installation media for another PC.” After clicking Next, choose the language, edition, and architecture for the Windows 11 installation.


Wait for the program to upload the installation to your drive after inserting your flash drive, which should have at least 8 GB of space.

Adjust the Registry to Prepare for Windows 11

You can’t install Windows 11 just yet, even if you’ve properly configured and set up the installer. You must first overcome a few roadblocks in the Registry Editor in order for the installer to work properly.

When the Registry Editor is launched (launch it by clicking Alt + R, typing “regedit,” and pressing Enter), go to HKEY_LOCAL_MACHINE > SYSTEM > Setup > MoSetup. You’ll need to create a new value here. Allow your mouse to hover above “New,” then click “DWORD (32-Bit) Value.”

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Put “1” as the value and “AllowUpgradesWithUnsupportedTPMOrCPU” as the name. Then press “OK.”

The Windows 11 installer should no longer indicate the absence of TPM 2.0 or your unsupported CPU as a result of this action. To be safe, restart your computer at this point. 


You can then begin taking the update. Either retrieve the Windows installation directly from the flash drive or restart your computer and boot it onto the flash drive.

Note that this action is unsupported by Microsoft, so if you run into any problems, Microsoft may not offer any official support. As such, we advise you to carry out this update with caution because it’ll all be at your own risk.

In summary, installing Windows 11 on an older PC is as easy as following the instructions we’ve provided in this guide, so note them carefully.

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