
The move is likely designed to convince consumers that Windows is worth the effort. "Now developers can target every single Windows device." "We think of Windows as a service," Myerson said during Microsoft's Windows 10 unveiling event in Redmond, Wash. Microsoft has yet to announce the software's price for the upgrade after that one-year window. The free upgrade is only available for the first year. The updated Start button layout in Windows 10. The free upgrade will also apply to Windows 7 devices and Windows Phone 8.1 devices. In the first year the software is available, the company will upgrade any devices running Windows 8 to Windows 10 for free, according to Terry Myerson, Microsoft's executive vice president of operating systems. Microsoft will offer free upgrades to Windows 10 - the next version of its operating system - first for Windows 8.1 users and then for Windows 7 users, the company announced Wednesday.
