Existing workarounds fail with new Windows 11 requirement that invalidates older CPUs — Microsoft's PopCnt restriction appears to be unbreakable
PopCnt is a CPU instruction that will be required to run Windows 11 starting with 24H2. But unlike TPM or Secure Boot, enthusiasts have found that the PopCnt requirement cannot be bypassed. Any attempts to bypass it lead to boot failure.
Source: tomshardware.com