With a week left in November, Windows 7 currently sports a 3.9 per cent monthly average. The first week after its launch, the new operating system accounted for 2.7 per cent of all operating systems used worldwide it climbed to 3.3 per cent in the second week, to 3.7 per cent in the third and to 4 per cent during the fourth week post-debut. Windows' biggest increase in the last two years was in March 2008, when it jumped 0.28 per cent.īy Net Applications' account, Windows 7's share has been steadily growing since its Oct 22 debut. The last time that Windows showed any appreciable increase in share was June 2009, when it gained 0.21 per cent. 'This isn't too rare, but if we see three or four months in a row of Windows regaining market share, that would be a significant trend change.' 'We may be seeing an uptick in overall Windows share this month,' Vizzaccaro confirmed. 15-21 was slightly higher than the OS's October share of 92.52 per cent. In fact, Windows' overall market share of 92.64 per cent for the week of Nov. 'Certainly, the trend line shows Windows 7 will surpass Mac share soon,' he predicted. 15-21 average was matched against Mac OS X, however, for an apples-to-apples comparison, Microsoft's 4.15 per cent lagged behind Apple's 5 per cent.īut Vizzaccaro was confident that Windows 7 would soon pass Mac OS X for good, and not just during a short stretch.

Windows vs mac os x market share