To install Windows 11 on hardware that lacks a , you can use a registry hack during a clean installation or an in-place upgrade. While Microsoft officially requires TPM 2.0 for security, they have documented a specific registry bypass for users who have at least TPM 1.2 and wish to upgrade. Method 1: Manual Registry Bypass (During Clean Install)
If you are performing a clean install from a bootable USB and see the message "This PC cannot run Windows 11," follow these steps: Windows 11 In Place Upgrade - bypass checks : r/sysadmin bypass tpm windows 11 registry download