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How to upgrade computer to Windows 11 with incompatible hardware.

  • Writer: Philip Moore
    Philip Moore
  • 6 days ago
  • 2 min read

A Windows user can upgrade an incompatible PC to Windows 11 by bypassing Microsoft’s hardware checks (TPM 2.0, Secure Boot, and CPU generation) using one of two main methods: a registry tweak for an in-place upgrade from Windows 10, or Rufus to create modified installation media.

⚠️ Important warnings first

  • Microsoft officially does not support Windows 11 on incompatible hardware and recommends rolling back if you install it.microsoft

  • You may not receive future updates (including security patches) on unsupported PCs.reddit

  • Back up all data and ideally create a full drive image before proceeding.askwoody

Method 1: Registry bypass + Windows 11 ISO (in-place upgrade, keeps files/apps)

This is the simplest method if you’re running Windows 10 and want to upgrade while keeping your files and programs.

  1. Back up your dataCopy important files to an external drive or cloud storage.

  2. Open the Registry Editor

    • Press Windows + R, type regedit, and press Enter.

    • Navigate to:

      HKEY\_LOCAL\_MACHINE\SYSTEM\Setup

    • If the MoSetup key doesn’t exist:

      • Right-click Setup → New > Key → name it MoSetup.zdnet+1

  3. Create the bypass value

    • Select MoSetup.

    • Right-click in the right pane → New > DWORD (32-bit) Value.

    • Name it:

      AllowUpgradesWithUnsupportedTPMOrCPU\text{AllowUpgradesWithUnsupportedTPMOrCPU}AllowUpgradesWithUnsupportedTPMOrCPU

    • Double-click it and set its value to 1.windowsforum+1

    • Click OK, close Registry Editor, and restart your PC.

  4. Download the Windows 11 ISO

    • Go to Microsoft’s Windows 11 download page.

    • Under “Download Windows 11 Disk Image (ISO) for x64 devices”, select and download the ISO.zdnet+1

  5. Mount the ISO and run setup

    • In File Explorer, double-click the ISO to mount it as a virtual drive.

    • Open that drive and double-click Setup.exe.windowsforum+1

    • When you see compatibility warnings, accept them and proceed.

    • Choose:

      • Keep personal files, apps, and Windows settings for a full upgrade, or

      • Other options if you want a cleaner install.windowsforum

    • Follow the prompts to complete the upgrade.

Method 2: Use Rufus to create a modified Windows 11 USB (bypasses checks automatically)

Rufus can remove TPM, Secure Boot, and CPU requirements when creating installation media.

  1. Download tools

    • Download the Windows 11 ISO from Microsoft.ifixit+1

    • Download Rufus (version 4.6 or later) from its official site.windowsforum

  2. Prepare a USB drive

    • Use a USB flash drive with at least 8–16 GB.

    • Back up any data on it; Rufus will erase it completely.ifixit+1

  3. Create the bypassed installation media

    • Launch Rufus.

    • Select your USB drive.

    • Click SELECT and choose the Windows 11 ISO.

    • Click START.

    • In the Rufus options dialog, check:

      • Remove requirement for Secure Boot and TPM 2.0 (and optionally 4GB+ RAM).ifixit+1

    • Confirm and let Rufus finish creating the USB.

  4. Upgrade from Windows 10 (in-place, keeps files)

    • In Windows 10, open the USB drive in File Explorer.

    • Do not boot from the USB yet.

    • Double-click Setup.exe on the USB.windowsforum

    • Proceed through the upgrade wizard, accepting compatibility warnings.

    • Choose to keep files/apps as desired.

    (Alternatively, you can boot from the USB for a clean install, but that will erase everything unless you manually back up and reinstall apps.)

After installation

  • Verify Windows 11 is activated and running.

  • Check for updates in Settings > Windows Update, but be aware that update support on unsupported hardware is not guaranteed.reddit

  • If you experience instability or missing updates, Microsoft’s official recommendation is to roll back to Windows 10 using the recovery option within 10 days of upgrade.microsoft

 
 
 

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