Microsoft says Windows 11 got 20 percent snappier. Here is what that number actually measures

The claim comes from Navjot Virk, the corporate vice president who runs Windows experiences, in a Windows blog post on 15 October: the current Windows 11 is "up to 20% more responsive". Read the footnote before you read the headline. The figure compares build 26300.9550 with build 26200.7628, timing how fast Search, Start, the right-click menu, Settings, Snipping Tool and File Explorer open. It isn't frame rates, it isn't boot time, and it isn't your spreadsheet. It's the small waits that add up to a PC feeling tired.

The more interesting change is the memory one. Windows can now keep up to 2 GB more of your active data in RAM instead of shuffling it to the disk, and on PCs with 8 GB or less the Widgets panel no longer loads at sign-in, which Microsoft says frees more than 200 MB. On a machine with 16 or 32 GB you may not notice either. On the five-year-old 8 GB laptop that stutters with six browser tabs open, those two changes are the whole story, and that's the machine Microsoft seems to have in mind.

Two honest caveats. All the numbers are Microsoft's own measurements; Engadget and PCWorld both note nobody independent has timed it yet. And the rollout is gradual: the post says timing "may vary by device and region", the new Search is Insiders-only for now, and the gains are tied to version 26H2, which arrives as a small enablement package on top of 24H2 and 25H2. If your PC still feels slow, the update may simply not have reached it.

If you want to know whether it has, Tendvane's Health score shows which Windows version and build you're on, and its startup advisor tells you what else is loading at sign-in besides Widgets.