A linked article from El Reg (2021) also mentions a TPM 2.0 module as required: https://www.theregister.com/2021/06/28/microsoft_windows_11_insider_preview_rel

A linked article from El Reg (2021) also mentions a TPM 2.0 module as required: https://www.theregister.com/2021/06/28/microsoft_windows_11_insider_preview_released/ https://www.theregister.com/2021/06/28/microsoft_windows_11_... So there may be a good # of systems lacking that but otherwise fully functional. CPU bugs or vulnerabilities hardly ever prevent running a newer OS. Never mind that those may have been patched or mitigated in the meantime by BIOS or microcode updates. So imho this is just forced upgrading (as usual). "Buy new PC, get new OS". Hopefully this crap drives more users to Linux or *BSD.