As of last month, Microsoft's latest operating system has more than doubled its market share over 2010 and now sits on many more computers than its predecessor Vista, which holds 12.11 percent according to stats from Net Applications.
Long-standing favourite XP has hold of 56.72 percent computers, however.
The US-based web analytics company collected data from the browsers of site visitors to its network. The data is compiled from approximately 160 million visitors per month, it claimed.
Overall, 90.29 percent of computers run a Windows OS around the world, down from 92 percent at the beginning of 2010.
Mac OS also slid, from 5.16 percent in January 2010 to 5.02 percent last month, but Apple's iOS - found on iPads and iPhones - gained from 0.59 percent to 1.69 percent, led by strong growth by the iPad.
Rival Android also had a strong year, growing from a 0.06 percent share at the start of the year to finish with 0.4 percent of all browsing devices.
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