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Windows 10 Anniversary Update's big secret: It's called Windows as a Service

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Windows 10 Anniversary Update's big secret: It's called Windows as a Service

Introduction and listening to feedback

Nine months on and Windows as a Service is starting to deliver.

Windows 10 really is the last version of Windows, but that doesn't matter because it's going to keep on changing and improving. Users brave enough to be Windows Insiders can get those changes as soon as they're ready to try out (which may or may not mean they're actually ready to use).

More cautious users and businesses will stick to the major updates and so far, those seem to come about twice a year. The last was the November update (which Microsoft has now set as a Current Branch for Business release, which means that PCs running the release version of Windows from last July will start updating soon).

Building on Windows 10

The next major release will be the Anniversary Update this summer. This gives us a good idea of how Windows as a Service is shaping up. The Anniversary Update has a mix of features that were promised in Windows 10 but haven't yet arrived, tweaks and improvements to existing features, and new features that Microsoft announced at the Build conference.

The most unexpected of those new features is the Windows Subsystem for Linux, which allows you to run a number of Linux binaries like the Bash shell (and as Terry Myerson noted during the announcement, we can expect "more coming soon").

That's aimed at developers who need to connect to and manage Linux servers, rather than mainstream users when you hear Microsoft talking about 1,000 new features in the Anniversary Update, those are new features in the Windows SDK.

Also new, and again aimed mostly at developers, is support for Docker containers in Windows 10 as well as in Windows Server 2016. That means a developer working with containers can test them on a Windows 10 PC rather than having to work with a Windows Server system all along.

Listening to feedback

Microsoft is clearly using the telemetry the company gets from its newest operating system, and the feedback from Windows Insiders, to develop Windows 10 small changes and some major new features that users have been asking for are being implemented.

These include tweaks to the Start menu, improving the All Apps list and bringing back the full-screen apps list in tablet mode. The Action Center gets more interactivity including mirroring alerts from Android phones and letting you reply to text messages from your PC, plus showing notifications from websites as well as apps. Notifications should finally sync between different devices rather than having to be dismissed on every device you use individually, and you can also limit how chatty apps can get by choosing how many notifications they can send.

Cortana also gets chattier, with suggestions for things she can do using the new integration of chat bots, so if you're working late you might see a dialog offering to order dinner or book an Uber for you. Some Cortana features will also work from the lock screen, so you don't have to unlock your PC to set a reminder.

Ink Anniversary Update

Pen-tastic plans

Microsoft's deal with Wacom to build a pen that will work across multiple PC screens (using the built-in digitiser rather than just capacitive touch) should bring pens to many more laptops and tablets. That will make the new Ink system more useful it works with Cortana so you can write 'remind me next Monday to call Susan' and get a reminder on that day. And you will be able to use pen and touch at the same time, so you can move an on-screen ruler which could be something as complex as a curve tool in Illustrator as you draw, or scroll the canvas without putting down the pen in your other hand.

We're also getting lots of new display options: picture-in-picture display, being able to project your screen to another PC from a Continuum phone or another PC, plus remote display from an IoT Core device for remote control.

They're not major features for most users, but if you need them they'll be very useful and they're exactly the kind of tricky features that would likely have been cut from a new version of Windows during the development cycle because they were hard to get right in a fixed schedule. Now the Windows team can keep working on them, and if necessary, wait for new hardware to support them.

Business features and avoiding disruption

Key features for business

Some of the features we've been waiting for in Windows 10 will arrive in the Anniversary Update, in particular Edge support for extensions (which means password managers as well as ad blockers) and Enterprise Data Protection per-file protection that encrypts business data.

EDP is one of the more sophisticated security features in Windows 10, giving you the same kind of information protections you're used to on mobile devices, but with desktop software like Office. It was announced before Windows 10 shipped; having it arrive in the Anniversary Update doesn't mean the feature is late just that Microsoft was clearly counting on Window as a Service as a way of staging the development of Windows 10 features, especially ones that businesses will need to make preparations for.

Instead of delaying the launch of Windows 10 until all the business features were finished, even though businesses would likely spend up to a year evaluating the new operating system before deploying it widely, Microsoft could ship an initial set of features and then add more of those business features when companies were closer to rolling the new OS out to their employees.

The Anniversary Edition is also when we'll see another recently announced security feature, the Windows Defender Advanced Threat Protection service. This uses an agent that will be included with the update to monitor systems, but the information goes to a cloud analysis service that builds on what Microsoft detects about attacks against other companies and its own properties and this is something businesses will likely have to pay extra to use.

Xbox-ing clever

Xbox One will also get new features with the Anniversary Update like Windows 10 that includes some much-requested improvements such as background music playback, and a key option for developers: a mode that lets any developer side-load their UWP apps onto Xbox for testing. It will also bring Cortana to Xbox, as a way of searching and controlling the console.

The Anniversary Update is due in 'late summer' as Microsoft has already said it will be free, that might mean we see it before the July 29 anniversary of the Windows 10 launch (because after that point Microsoft will start charging for Windows 10).

Or Redmond might just mean that it will be free to Windows 10 users, whenever they get Windows 10. Businesses with volume licences who want the new features (rather than staying on Current Branch without getting updates) will need to have Software Assurance.

Dark mode

Disruption-free OS

Windows as a Service is proving to be quite different from previous ways of using Windows. You can choose between frequent previews of features that might have problems, and regular updates, once or twice a year, that have a fraction of the features we're used to in a new release of Windows. Over a two or three year period, you'll get as many new features as you would have got from a new release, but you'll get them a few at a time, and without the disruption of a installing a completely new version of Windows.

You just don't know quite when you'll get them. With the Anniversary Update, Microsoft will deliver just about all of the officially announced features for Windows 10, but not everything that's been promised there's still no information about the replacement for placeholders the OneDrive team committed to back in late 2015.

Windows 10 isn't 'complete' with this update, because it's never going to be complete in the sense of being finished. There's always going to be a stable version of Windows 10 you can use, and a preview version you can try, and more updates and new features that you're going to have to take the time to apply and get used to. But it's now pretty clear that if you want to, you can do that just once or twice per year.

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