OS X El Capitan upgrade tempo slows

Adoption of Apple's OS X El Capitan slowed significantly in November, with the upgrade pace falling behind that of its predecessor at the same point in the 2014 edition's post-launch timeline.
El Capitan, also identified as OS X 10.11, was released on the last day of September: 61 days later it had been installed on 38% of all Macs, according to analytics firm Net Applications. That was an increase of 11 percentage points from the month before, when the upgrade set an adoption record for a Mac