Notice what happens with Vista 11 (it is flatlining):

Meanwhile Apple and GNU/Linux go up:

Seems the Windows "growth" is among gamers who just buy very modern machines (with Vista 11 preinstalled):

Summary: After more than two years 'out there' Vista 11 is simply failing at adoption; instead, users are moving away from Windows altogether

Also see: As Microsoft Collapses, Their Cottage Industry Based on Windows Problems Dies Off. Malwarebytes Fires 100.

"Unlike with factory work," one associate explains, Microsoft layoffs "are a good thing except for one aspect: Microsofters are technically and ethically unsuitable for further employment and risk spreading their problems into real businesses."