Windows 8.1 build 9391 Developer Preview reportedly being distributed to OEMs

After a hoard of other leaked build versions - the latest being build 9385 - Microsoft is expected to release a public preview of Windows 8.1 at Build 2013. 

WinBeta (via @windows4live) is reporting that build 9391 has been released to Microsoft's OEM partners for testing as a "Developer Preview." Not much is known about build 9391, as even screenshots haven't been leaked yet confirming it's existence. Win8China.com reports that this version of Windows 8.1 will not likely be the one that Microsoft unveils at Build, backing up claims by prominent Microsoft watchers who suspect that other builds will be compiled between now and June. 

When Windows 8.1 becomes available to the public, it is expected that it will be released via the Windows Store and will come with a whole host of changes to the core operating system, possibly even including the return of the start button

Windows 8 is off to a solid start from a sales standpoint, selling at the same rate as Windows 7. 100 million licenses have been sold since October 2012, which is roughly 15 million licenses per month, or 45 million per quarter. 

Source: WinBeta, @windows4live

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Guaranteed that their first attempt to help "overcome the learning curve" is more videos on boot and some overlayed screen walk-thru. Which should've been there at launch. But not much will be made to make it more intuitive other than the edition of the Start button to the Taskbar (as it should be) and better search options and "all apps" views.

I gonna just upgrade that old Dell Optiplex 760 with Vista Business at work to the preview and keep it it around until RTM. I will then restore the machine back to Windows XP. (I have to, its company machine). I am just looking for a reasonable excuse to take Vista off the machine and put it back to Windows XP in the long wrong.

It's a service pack. You can't tell 100 million windows 8 users they need to reinstall a new OS . Nothing more then a service pack please do not fool yourselfs . Nothing in 8.1 is that game changing to be called a new OS or anytjing more then a service pack , please post sources if you dare try to prove me wrong I know how fast you fanboys jump on this site .

There is enough new in Windows 8.1 to call it more then a service pack. A service pack is just all previous release fixes and sometimes new security updates. Windows Blue contains IE11, more personalization, 5 new apps, new tiles, multitask improvements, device improvements, a new kernel, better performance, and so on.

CaptainBeno said,
It's a service pack. You can't tell 100 million windows 8 users they need to reinstall a new OS . Nothing more then a service pack please do not fool yourselfs . Nothing in 8.1 is that game changing to be called a new OS or anytjing more then a service pack , please post sources if you dare try to prove me wrong I know how fast you fanboys jump on this site .

I don't think anybody is claiming it's a new operating system... After all, Neowin has been reviewing the leaked 8.1 builds that have surfaced over the past couple of weeks.

The changes are already there. It's nothing game changing, just much needed improvements to Windows 8.0

W32.Backdoor.KillAV.E said,

Yeah keep telling yourself that. It wont change the fact that it isn't.

In name only. It's very comparable to WinXP SP2.

pack34 said,

In name only. It's very comparable to WinXP SP2.

It's nothing like Windows XP SP2. Windows XP SP2 brought in a new security center because of the issues with all the viruses infesting the system as soon as it connected to the internet.

Other than that and some Wireless improvements, Windows 8.1 is a lot more than that. It's not a 'new operating system', it's not a 'service pack'. It's 'Eight point One'.

Tony. said,

It's nothing like Windows XP SP2. Windows XP SP2 brought in a new security center because of the issues with all the viruses infesting the system as soon as it connected to the internet.

Other than that and some Wireless improvements, Windows 8.1 is a lot more than that. It's not a 'new operating system', it's not a 'service pack'. It's 'Eight point One'.

How is a service pack with additional features not a point release? It's all bloody semantics. A service pack is general updates, bug fixes and occasionally the addition of features (like winXP SP2).

A service pack IS an update, a feature pack IS an update. Windows Blue IS an update. Arguing semantics about exactly what to call it is frakking retarded.

a service pack is a release that bundles all previous updates from windows updates along with some current updates that were not available in windows update . Windows 8.1 is not a service pack. It releases new features which service packs do not. It has an updated kernel which service packs do not have. This is MS's new release cycle to keep the OS up to date and fresh, service packs are history.

I was wondering if they include the start button can you remove it? I have been using using start 8 and would like to use it instead of the one from microsoft.

None of the start menu apps work in Blue, Microsoft has ripped the remainder of the code out. Until someone completely recodes an entire start menu system from scratch you're stuck with the start screen I'm afraid.

Tony. said,

Does the start menu actually work though?
Yes, just like on Win 8, but the "boot to desktop" option in Start8 1.16 doesn't seem to work since it's still booting to the Start screen.

ozzy76 said,
Yes, just like on Win 8, but the "boot to desktop" option in Start8 1.16 doesn't seem to work since it's still booting to the Start screen.

No big surprise, stuff that modifies how the system behaves frequently breaks with new versions of an OS. Probably won't see a patch until the public preview at least though.

Hi heard from a Dell exec that they will have it next week and that the final version will be shipping on October 18th, but we know these things are subject to change.

I agree. Android, iOS, or OS X pre-RTM builds never leak (besides betas etc aimed for their developer programs), and this is conversely like a sieve. But it could also be "unintended-but-not-deemed-too-problematic" so that Microsoft hasn't bothered to get strong security in place. I think company "politics" plays a role here, and how they view leaks. Microsoft must know how huge the Longhorn project became in media, in large part due to leaks.

Northgrove said,
I agree. Android, iOS, or OS X pre-RTM builds never leak (besides betas etc aimed for their developer programs), and this is conversely like a sieve. But it could also be "unintended-but-not-deemed-too-problematic" so that Microsoft hasn't bothered to get strong security in place. I think company "politics" plays a role here, and how they view leaks. Microsoft must know how huge the Longhorn project became in media, in large part due to leaks.

There have been leaks about iOS, Android etc in the past.

Its sounding more and more like a whole new Windows OS. I wish Microsoft could be tranparent about what it actually is. If Windows 8.1 is a full new OS that you pay for, I will definitely not be upgrading my Windows 8!

8.1 will be free to download from the store to current w8 and rt owners. If you don't have windows 8 already why would you expect 8.1 to be free????

Studio384 said,
My guess goes to 9450 being the preview they will release at Build '13.

I think it'll be 9400, they'll test it inside MS for a few weeks before the June date and public preview.

Fus10n said,
Will be checking the usual places for "leaks"

make sure you check all the joints, they are the first places to fail