Microsoft's Windows 8 operating system ended 2013 by totalling more than 10 percent market share.Windows 8 and Windows 8.1 ended the year with 6.89 percent and 3.6 percent respectively to reach a combined 10.49 percent total market share. The figures come from Net Applications which tracks market share statistics for internet technologies. See also: Windows 8 Start menu to return with 'Threshold' update.Passing 10 percent market share may seem good for Windows 8, matching that of Windows Phone 8 on the mobile side but adoption is likely to be well under what Microsoft would have wanted for the year.Windows