There are plenty of ideas Microsoft prepared and even implemented for Windows 10. Some of them you could already seen and tried. The most famous example is the Sets function, which was supposed to add a tabbed interface to all applications, but it never made it to release. But there are also many of features have never been revealed to the public. Between 2015 and 2020, the company's engineers came up with probably hundreds of different features, but they were never fully implemented. Continue reading
