Let me state the obvious right up front: it's not a good idea to upgrade extremely low-end PCs to Windows 11. Microsoft requires a minimum of 4GB RAM and 64GB of free space to install Windows 11, and if your PC doesn't meet those standards, you should avoid this upgrade. This guide is primarily for those who have perfectly capable PCs, but can't upgrade to Windows 11 due to TPM restrictions.
If your PC is under warranty, it's recommended that you don't mess with it. However, if the warranty has expired, you might want to consider upgrading it to Windows 11 anyway. That's because Microsoft has announced that it'll be discontinuing free security updates for these computers starting on Oct. 14, 2025.
What happens after the last Windows 10 security update
You do have the option to pay for updates as part of Microsoft's Extended Security Updates (ESU) program, but that is an expensive proposition. It is priced at $61 per device for the first year, and the price doubles with each subsequent year. If you're a part of an educational institution, the pricing is $1 per device per year, which goes up to $4 per year by the third year.
How to upgrade your unsupported PC to Windows 11
Before you proceed with your upgrade, back up your PC. You don't want to lose all your data during the upgrade, and backing it up ensures that your photos, videos, and documents are all safely stored elsewhere.
While that's underway, download the latest version of Rufus, which is a free tool that lets you create bootable USB drives. I'll mention other methods for upgrading later on, but this is my favorite, and arguably the simplest, way to do it. Don't use older versions of Rufus, as Microsoft periodically blocks ways to bypass TPM checks, and the latest version usually has a workaround. You're also going to need a USB drive with at least 8GB of free space. Take a moment to back up any important data on this drive, because it'll be erased as we proceed.
Credit: Pranay Parab/RufusYou'll see a pop-up asking if you want to customize your Windows installation. Ideally, enable the following options:
Remove requirement for an online Microsoft account
Disable data collection (Skip privacy questions)
The first option is crucial if you want to install Windows 11 on unsupported PCs. The rest are good to have, but not necessary—they let you skip the online account sign-in process that Microsoft keeps trying to push, and they also skip a few annoying setup questions about data collection. With all this selected, click OK and wait for Rufus to do its thing.
Credit: Pranay Parab/RufusAlternatively, you can do what I did—boot Windows off the USB drive to install Windows 11. On your Windows 10 PC, go to Settings > Update & Security > Recovery and click Restart now under the Advanced startup section. This will reboot your PC and start the Windows 11 setup process from your USB drive.
If Rufus isn't working for you, there's a few alternative methods you can use to upgrade an unsupported PC to Windows 11.
Open Registry Editor on your Windows 10 PC.
Create a new registry key here with these values:
Type: REG_DWORD
Visit Microsoft's Windows 11 download page and go to the Create Windows 11 Installation Media section. Click Download Now. This will save the Media Creation Tool file to your computer. Run the Media Creation Tool, follow the on-screen prompts, and it'll create a bootable Windows 11 USB drive for you.
Microsoft may choose to block this method at some point in the future, but until that happens, you can still use it to get the job done.
Alternative method 2: create an automated Windows 11 installer
Go to the Unattend Generator website.
Below that, choose the correct processor architecture for your computer. You can choose one of Intel/AMD 32-bit, Intel/AMD 64-bit, or Windows on Arm64. If you're unsure what your architecture is, check it on your Windows 10 PC by navigating to Settings > System > About.
Go through the remaining setup options. This includes deciding whether you want to partition the drive automatically or manually, whether you want to remove bloatware from Windows 11, and choosing your key settings.
Create a bootable Windows 11 USB drive by visiting Microsoft's Windows 11 download page and navigating to the Create Windows 11 Installation Media section. Click Download Now. Then, run the Media Creation Tool and follow the on-screen prompts.
This should take care of upgrading your 'unsupported' PC to Windows 11, and also apply all of your preferred settings to the computer.
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