Windows 10 uses new update methodologies which are more automated to ensure users take critical security updates & new service-pack type updates every 6 months.  An estimated 85% adoption rate is noted in article below

If AdDuplex’s Windows 10 Fall Creators Update adoption figures are accurate, the software giant might be doing something constructive with all the ones and zeroes gleaned from customer PCs. The “cross-promotion network for Windows Phone and Windows applications” reports that 85% of all PCs running Windows 10 have upgraded to the Fall Creators Update, which started rolling out to customer machines at the end of October. For comparison’s sake, the previous Creators Update had reached about 66% of Windows 10 devices at the four-month mark