https://wccftech.com/microsoft-radically-change-windows-10/

With a few versions of Windows 10 out now, Microsoft is working on some big changes that may completely change how we work on a Windows machine. Taking inspiration from how browsers work, the Redmond software maker has revealed some information about a new tab-based multi-window interface for Windows 10 that would make it easier for users to multitask and get back to a project at a later time.

Currently calling it Sets (not the final name), Microsoft’s Terry Myerson shared the following details about this feature: