This information comes from Bob Pony on X previously known as Twitter, following earlier reports in February where he claimed that CPUs lacking support for the POPCNT instruction were no longer compatible with Windows 11. The updated requirement is essentially the same, except that they now mandate the entire SSE 4.2 instruction set instead of just the POPCNT instruction within it, as was previously required. ⚠️ UPDATE: Since Windows 11 Build 26080, a CPU with the SSE4.2...
