Didn't take long....
Per the article in Computerworld:
Windows 10's usage share closes in on OS X's
Increases in Windows 10's usage share have slowed significantly since the first full week after its July 29 debut.
Nears the Mac's operating system even as growth slows
Less than four weeks after its official release, Microsoft's Windows 10 has come close to -- but has yet to surpass -- the global usage share of Apple's OS X, the only significant rival to Microsoft's family of operating systems, new data shows.
But continued growth of Windows 10, the different cycles notwithstanding, should push the new OS's usage share above OS X's within the next week, two at the outside.
That's not a shock: Windows 10, even though new, has a much larger potential user base than does OS X, which runs only on Apple's own Mac notebooks and desktops. Microsoft regularly touts the figure of 1.5 billion when talking about the number of devices that run Windows worldwide; Apple's last announced number of in-use Macs was 80 million.
Windows 10's usage share picked up momentum on Saturday, Aug. 22, after several days of either no gains or only small increases. Even so, the new operating system's growth has slowed from its earlier torrid pace.
Gains over the weekend's two days, for example, were smaller than the weekend prior: While the week-over-week increases on Aug. 15 and Aug. 16 were 1.7 and 1.2 percentage points, respectively, week-over-week measurements on Aug. 22 and Aug. 23 were only 0.6 and 0.7 percentage points.
For the week Aug. 17-23, Windows 10's global usage share was 6.1%, an increase over the prior week that was less than half that of the gains posted by the week Aug. 10-16.
It is near the end of the end....