Windows Vista has 8 by popularity

This month, Windows 8 took 5.1% market share, and Vista-4.62% of the market. For comparison: in may, the share accounted for 4.51% of Vista and Windows 8-4.27%. the world's most popular operating system remains Windows 7-accounting for 44.37 percent of the market. Second place with 37.17% is Windows XP.