Windows 11 Pro Nux Edition (Slim) addresses this by:
Allow installations on PCs that lack the Intel 8th Gen or AMD Ryzen 2000+ requirements. Windows 11 Pro Nux Editon -x64- Slim -22000.348- No TPM
The ISO comes pre-modified to bypass the Microsoft System Requirements for TPM 2.0 and Secure Boot. Windows 11 Pro Nux Edition (Slim) addresses this
Not directly. You would need to clean install. The 22000.348 base is considered a "final" destination for many users who dislike newer changes (like the taskbar ungrouping requirement). Windows 11 Pro Nux Editon -x64- Slim -22000.348- No TPM