Build 2015Microsoft planning staggered launches for other devices.
UpdatedWe were fed quite a bit Windows 10 news this week, thanks to Microsoft's Build 2015 conference in San Francisco.
Windows 10 leak shows Microsoft optimizing smaller screens for touch as it removes support for Win32 legacy apps.
Microsoft is now pushing out the new Build 10041 to Windows Insider testing Windows 10 Technical Preview.
UpdatedThe Start button returns, and with Update 1, users can boot straight to desktop. But this is still refinement over reinvention.