How to upgrade to Windows 11, whether your PC is supported or not


Enlarge / You name it, we’ve tried installing Windows 11 on it.

Andrew Cunningham

Windows 11 is here. And now that you’ve had time to read our full review, you might be thinking about installing the upgrade on your own PC.

We think most people should wait a few months to give Microsoft time to iron out Windows 11’s biggest new-operating-system bugs and finish releasing updates for Windows’ built-in apps. But you may want to install the operating system anyway because you want to test it or because you like to run the newest thing. Or maybe you’d like to install Windows 11 on an “unsupported” PC because Microsoft is not your parent and therefore cannot tell you what to do.

We’ve pulled together all kinds of resources to create a comprehensive install guide to upgrading to Windows 11. This includes advice and some step-by-step instructions for turning on officially required features like your TPM and Secure Boot, as well as official and unofficial ways to skirt the system-requirement checks on unsupported PCs.

I’ve had Windows 11 running on PCs as old as a Dell Inspiron 530 from 2008, and while I’m not saying this is something you should do, it is something that you can do.

How do I get Windows 11?

The easiest way to get Windows 11 is by checking Windows Update on a supported, fully up-to-date Windows 10 PC. But because Microsoft is rolling out Windows 11 slowly over the course of many months, your PC may not see it yet.

Microsoft offers several ways to download Windows 11 manually. One is to use the Installation Assistant app, which you install on your PC to trigger a normal upgrade install via Windows Update. The second is to use the Windows 11 Media Creation Tool, which automates the process of creating a bootable USB install drive or downloading an install ISO file. Once you have a USB drive, you can either boot from it to perform a clean install or run the Setup app from within Windows 10 to do a normal upgrade install. You can also burn the ISO to a DVD, but installing from any USB drive, even an old USB 2.0 drive, will be much faster, so you shouldn’t do that. Finally, you can just download an ISO file directly from Microsoft’s site.

Do I need to pay for it?

Windows 11 is a free upgrade to Windows 10. So if you’re running Windows 10 Home or Pro on your PC, regardless of whether your PC is officially supported or not, you’ll be able to install and activate the equivalent edition of Windows 11.

If you’re installing Windows 11 on a new PC you’ve just built yourself, officially, you should buy a Windows 10 or Windows 11 license. As of this writing, the only sites I see selling retail editions of Windows 11 are scammy product key websites that I wouldn’t trust with my credit card info, so I would recommend buying a Windows 10 license from a reputable site. Its product key should work to install and activate Windows 11.

Unofficially, I’ve had some success using old Windows 7 and Windows 8 product keys to activate equivalent editions of Windows 11—it’s an open secret that the Windows 10 installer would continue to accept these older product keys long after the “official” free Windows 10 upgrade offer expired back in 2016. But we’ve also heard from readers who have had trouble using these keys with Windows 11 or later Windows 10 releases, so your luck may vary.

What does my PC need to be “supported”?

Let’s reiterate the Windows 11 system requirements:

  • A “compatible” 1 GHz or faster dual-core 64-bit processor from Intel, AMD, or Qualcomm
  • 4GB of RAM
  • 64GB of storage
  • UEFI Secure Boot supported and enabled
  • A Trusted Platform Module (TPM), version 2.0
  • A DirectX 12-compatible GPU with a WDDM 2.0 driver
  • A 720p display larger than 9 inches in size

Windows 11 Home requires a Microsoft account and Internet connectivity; Windows 11 Pro can still be used with a local account. Windows 10 Home used to let you create a local account as long as you didn’t connect to the Internet during setup, but that trick no longer works.

The processor requirement is the most restrictive; supported processors include 8th-generation and newer Intel Core processors as well as AMD Ryzen 2000-series processors and newer. These are all chips that launched in late 2017 and early 2018. Older computers can’t officially run Windows 11. This is a big departure from Windows 10, which made a point of supporting pretty much anything that could run Windows 7 or Windows 8.

We get more into the reasoning behind these requirements (and whether they hold water) in our review. But the three big ones are the CPU requirement, the TPM requirement, and the Secure Boot requirement.

How can I tell if my PC is supported?

When you open Windows Update in Windows 10, it might tell you whether your PC is supported or not. But the easiest way to check manually is with Microsoft’s PC Health Check app. Early versions of this app weren’t very good, but the current version will tell you whether your PC is compatible as well as why it is or isn’t compatible.

If you aren’t using a supported processor, either plan to upgrade to a CPU that is supported or skip ahead to the section where we talk about installing Windows 11 on unsupported PCs.

If your processor is supported but you don’t meet the TPM or Secure Boot requirements, the good news is that unless something is very wrong with your PC, they should both be features you can enable in your PC’s BIOS.

How do I get into my PC’s BIOS?

Usually, you can enter your BIOS by pressing some key after turning on your PC but before Windows begins to boot. The key varies, but common ones include the Delete key, F2 (for Dell systems), F1 (for Lenovo systems), or F10 (for HP systems).

The consistent but more roundabout way of opening your BIOS is to go to the Windows Settings app, then Windows Update, then Recovery, and then Restart Now under “Advanced startup.” In the basic blue screen you see next, click Troubleshoot, then Advanced options, then UEFI Firmware Settings.

How do I enable my TPM?

Enabling your processor’s built-in firmware TPM is easy, but finding the setting to do it sometimes isn’t. If you’re not sure what you’re doing, try searching for “[manufacturer of your computer or motherboard] enable TPM,” because many manufacturers have created help pages specifically because of Windows 11.

For Intel systems, if you can’t find a setting marked “TPM” somewhere in the chipset or security settings, look for “Platform Trust Technology” or “PTT” and enable that. AMD systems usually just refer to it as an “fTPM,” though you may also see it called the “Platform Security Processor,” or “PSP.”

Once you’ve enabled your TPM, reboot into Windows and use the Health Check app to make sure it’s working properly.

How do I enable Secure Boot?

Any computer made since Windows 8 was released in 2012 ought to support Secure Boot, which helps prevent unsigned and potentially malicious software from being loaded during your PC’s boot process. You should be able to turn it on in your PC’s BIOS if it isn’t already enabled, usually either in a “Security” or “Boot” section. As with enabling your TPM, if you can’t find the setting, check your PC’s or motherboard’s manual.

If your computer won’t boot after you enable Secure Boot, don’t worry—you just need to go through a couple of additional steps. Failure to boot is most likely because your hard drive or SSD is set up with an MBR (or Master Boot Record) partition table rather than the newer GPT (GUID Partition Table) format that Secure Boot and UEFI both require.

To check, right-click the Start button or use the Windows + X keyboard shortcut and then click Disk Management in the menu that pops up. Right-click whatever drive that Windows is installed on (in most computers, it will be Disk 0, but not always if you have multiple hard drives), then click Properties, then check the Volumes tab. If your partition style is listed as MBR, that’s when you’ll need to convert the drive.

If your drive uses the older MBR partition style, you will need to convert it to GPT before you can enable Secure Boot.

If your drive uses the older MBR partition style, you will need to convert it to GPT before you can enable Secure Boot.

Andrew Cunningham

To convert from MBR to GPT in Windows 10:

  • Open Settings, then Windows Update, then Recovery, and click “Restart now” under “Advanced startup.”
  • When your PC reboots, click the Troubleshoot button, then Advanced options, then Command Prompt.
  • In the Command Prompt window, type mbr2gpt /validate to check to make sure the drive can be converted. Then, type mbr2gpt /convert to convert the drive.
  • When it’s finished, re-enable Secure Boot in your BIOS, and your PC should boot normally.

If this conversion fails for some reason, the easiest option may be to do a clean reinstall of Windows 10 or 11 with Secure Boot enabled. When you format the drive and install Windows from a bootable USB stick, it will use GPT instead of MBR.



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Written by bourbiza

bourbiza is an entertainment reporter for iltuoiphone News and is based in Los Angeles.

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