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Windows 'Threshold' (Windows 9?) preview could go live in September

The next major update to Windows, currently being called Windows Threshold, could arrive in preview form as soon as late September.
That's according to ZDNet, whose unnamed sources said a Windows Threshold "technology preview" will go live in early October at the latest.
"Threshold" is thought to be the code name for Windows 9, though Microsoft has yet to weigh in officially.
Nevertheless the Windows 9 preview will be available to any and all who choose to participate, one of the site's sources said.

Time for an overhaul

Tellingly the Windows 9 tech preview will reportedly also feature automatic mandatory monthly updates, a move that could signal Windows' future trajectory.
It's believed that Windows 9 will hit shelves in Spring 2015, with a preview arriving in the fall, though there have been some conflicting reports.
Either way, Windows 8 users will probably be happy for their much-maligned OS to get overhauled.
Windows "Threshold" is rumored to have new features like a redesigned Start menu, windowed Metro-style tile apps, prominent Cortana integration, virtual desktops, and the removal of the Windows 8 charms bar.
For now Microsoft is keeping its lips zipped tight, but if there's really a Windows 9 preview scheduled for September expect an announcement soon

Windows 10 Microsoft tries to strike a balance for every kind of user

Yes, the Start menu is back. Yes, there are virtual desktops. No, the Charms bar hasn't gone away. And no, we don't know when Windows 10 will ship or what it will cost. But we've seen the technical preview of Windows 10 and the word to bear in mind for this release is productivity.
Microsoft's Joe Belfiore repeatedly emphasised that this is a very early build without even all the features that have been announced, and that there might be rough spots. We didn't see any problems in the time we had to try it out at Microsoft's San Francisco event, but what's clear is that there is plenty more to come.
This isn't the place to look for changes in Explorer or the control panel, let alone desktop tools like Paint and Notepad or Store apps like Music and Video. The technical preview is about the core features that are supposed to prove Microsoft can balance touch, mouse and keyboard without making any users feel abandoned.