Its principle of work is grouping the running programs by activities, while at any moment only seeing one group ('desktop'), and when switching, all windows of the previous group hide, while the re-activated ones appear in their places. Users familiar with Mac OS and Linux often counted on the fact that Windows never supported virtual desktops – a very helpful feature that allows users to open many programs at the same time, without losing efficiency in working with them. Now the new features of Windows 10, free of drawbacks, can be evaluated by the users of previous versions of Windows, such as Windows 7, Windows 8, and even Windows XP/Vista. Actual Tools, as a leading developer of solutions for enhancing the Windows interface, could not pass these innovations by and has implemented their improved counterparts in the just released Actual Window Manager v8.3. The most notable is the long-awaited native support for virtual desktops and Snap Assist – an expansion of the Aero Snap function for automatic windows arrangement. The recently announced Windows 10 introduced some significant additions to the user interface as compared to Windows 7/8.