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Bypass Windows 11 Hardware Requirements

For systems that don’t meet the unreasonable requirements from Microsoft - https://www.microsoft.com/en-us/windows/windows-11-specifications

Clean Installation With USB Media

Boot to USB media
Press [Shift] + [F10] to open a command prompt
Enter regedit
Create a new Key at HKEY_LOCAL_MACHINE\System\Setup\ called LabConfig
Create the following DWORD 32-bit values:
- BypassTPMCheck = 1
- BypassSecureBootCheck = 1
- BypassCPUCheck = 1
Close the Registry Editor
Close the Command Prompt
Proceed with the installation
Head back to the Windows 11 page

Windows 10 to 11 In-place Upgrade

Remove failed compatibility checks

Remove-Item -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\CompatMarkers" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Shared" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\TargetVersionUpgradeExperienceIndicators" -Recurse -Force

Allow upgrades on unsupported TPM or CPU

reg add "HKLM\System\Setup\MoSetup" /v "AllowUpgradesWithUnsupportedTPMOrCPU" /t REG_DWORD /d 1 /f

Set Upgrade Eligibility flag in HKCU

reg add "HKCU\Software\Microsoft\PCHC" /v "UpgradeEligibility" /t REG_DWORD /d 1 /f

Simulate hardware compatibility

New-Item -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\HwReqChk" -Force
New-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\HwReqChk" `
  -Name "HwReqChkVars" `
  -PropertyType MultiString `
  -Value @(
    "SQ_SecureBootCapable=TRUE",
    "SQ_SecureBootEnabled=TRUE",
    "SQ_TpmVersion=2",
    "SQ_RamMB=8192"
  ) `
  -Force

Run the upgrade assistant or “setup.exe” from the install media to upgrade

Rufus

Rufus can also skip hardware checks among other things when creating media from a .iso

In the bottom left corner, click the box labeled “Under Windows User Experience”
Check all options and click OK