![](https://lemmy.world/pictrs/image/1b43070d-c21c-4b10-81ac-dc13d4fe1902.jpeg)
![](https://lemmy.hogru.ch/api/v3/image_proxy?url=https%3A%2F%2Flemmy.ml%2Fpictrs%2Fimage%2Fq98XK4sKtw.png)
I read in another post a while ago that there was some issue with a Windows update that caused it not to register as Windows. It was then corrected in a subsequent update. So the Unknown bump is just Windows.
Edit for reference: https://gs.statcounter.com/os-market-share/desktop/worldwide/#monthly-202301-202307
The Fifth Element.