“Unlike rival Microsoft, Apple has consistently been able to get a significant portion of its Mac customers to quickly upgrade to the newest version of OS X, data from a Web measurement company showed,” Gregg Keizer reports for Computerworld.

“The last three versions of Apple’s desktop operating system have been adopted at a rate almost three times that of the best-performing edition of Windows, 2009’s Windows 7,” Keizer reports. “Five months after its 2009 launch, Snow Leopard powered 32% of all Macs, while Lion and Mountain Lion, which debuted in 2011 and 2012, each accounted for 29% of all Mac machines by the end of their fifth month.”

Keizer reports, “That’s in contrast to Microsoft Windows, which has had varied success in the same time span: At the end of its fifth month, Windows 7 accounted for 11% of all Windows PCs, more than twice the 5% share of Vista two years earlier. Windows 8, which shipped in late October 2012, looks to be on the same usage uptake trajectory as Vista…”

Read more in the full article here.