https://www.theregister.co.uk/2018/07/27/april_2018_update_on_84_percent/

The charge of the Windows 10 April 2018 Update continued into July with 84 per cent of lucky, lucky users seeing their desktops upgraded, according to AdDuplex.

The rate at which the code was flung at PCs slowed a little, which was inevitable considering June's impressive (or alarming, depending on your point of view) 78 per cent penetration of the Windows 10 install-base.