Upgrade unsupported hardware to Win11

29th June 2025

The old registry entry may still work, no guarantees:

Set-ItemProperty -Path “HKLM:\SYSTEM\Setup\MoSetup” -Name “AllowUpgradesWithUnsupportedTPMOrCPU” -Type DWord -Value 1 -Force

According to Microsoft, you’ll still need TPM at least 1.2 enabled

Open regedit and navigate to: Computer\HKEY_LOCAL_MACHINE\SYSTEM\Setup\MoSetup

Create “MoSetup” key if required (Right-click > New)

Create new DWORD value: AllowUpgradesWithUnsupportedTPMOrCPU

Set value to 1

Download Windows 11 ISO from Microsoft, and run setup.exe, preferably with your network connection forgotten