The issue focused on digital technologies that Microsoft already offered Windows PCs and smartphones to consumers in various markets. But PC makers such as Lenovo are pushing Windows 10 into phones, laptops and tablets with devices including Chromebooks and iPads.

Microsoft won't immediately answer questions about whether Windows 10 devices would support cameras or microphones for headsets or keyboards. Microsoft does say Windows phones will come later this year.Each computer hardware manufacturer runs software designed specifically for computers made by IBM. Computer manufacturers buy IBM machines from IBM machines and incorporate