Windows 7 finally dipped below 50% worldwide operating system market share in April, nine months after the release of Windows 10, according to a VentureBeat report.
Windows 10 has been installed on 270 million devices after eight months.
Overall, April was a lackluster month for Windows—it owned less than 90% of the operating system market for the first time, according to data from analytics firm Net Applications.
Despite Windows 10’s rise, Windows 7 could remain the most popular OS for quite a while. Though it now has less than 50% of the market share, it is still by far the most used OS.
Remember Windows 8? Combined, Windows 8 and 8.1 account for just over 12% of the worldwide OS market share.
Microsoft has been pushing hard on Windows 10, but growth is slowing. In March, Windows 10 had 14.2% market share and gained just 0.2 percentage points in April. Gartner recently predicted Windows revenue overall will decline by 7.5% to $13.5 billion in 2016.
So far, much of Windows 10 growth comes from consumers. But the true measure of success for Microsoft involves corporate adoption. Currently about three-quarters of Microsoft's enterprise customers are testing Windows 10, the company said.
Though enterprises are known for taking their time with software updates, Gartner analyst Steve Kleynhans recently said they're moving faster with upgrading to Windows 10 than Windows 7.