Windows 10's usage share continues climb

Consumers are consistently the quickest to upgrade, a habit that has been responsible for the rapid uptake of Apple's OS X editions over the years. Less than a year after its fall 2014 launch, for example, OS X Yosemite, aka 10.10, powered 62% of all Macs, a share Windows 7 needed more than five years to reach.
http://www.techworld.com.au/article/581424/windows-10-usage-share-continues-climb/?fp=16&fpid=1