Download Windows 11 from here
Find
Windows 11 specs, features, and computer requirements
Boot from the Windows
11 ISO
Select Install Now
Press Shift + F10
A DOS box appears. Typ regedit and hit enter
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\Setup and
create a new Key named LabConfig
Create in the LabConfig Key a ByPassTPMCheck DWORD (32-bit) with the value of 1
Close the Regedit window (click on the Red X
in the right corner)
Typ exit to leave
the command prompt
Click on the Red X in the right corner and the
setup will start again
The setup is now able to install Windows 11.
When the setup is finished you have a Windows 11 running on your onder PC.
With this procedure, you can run Windows 11 on hardware that doesn’t have a TPM 2.0 chip. This procedure is not officially supported of course! For example, you may not receive security updates in the future if you bypass the hardware requirements such as TPM.