Windows 7 appears to still be running on at least 100 million machines, despite Microsoft ending support for the operating system a year ago. ZDNet has been analyzing the proportion of PCs still running Windows 7 across various analytics reports. While each data source pegs Windows 7 at different percentages of market share, most agree that the OS still makes up for around 20 percent of PCs.
Microsoft has said for years that there are 1.5 billion users of Windows across multiple versions worldwide. It’s difficult to get an exact number of Windows 7 users owing to the different methods used by analytics companies, but it’s at least 100 million. If you drop Microsoft’s estimate of 1.5 billion users of Windows to just a billion (there are 1…