Screenshot leak shows 9478 Windows 8.1 build is now in RTM branch

On Sunday, we reported that a x64 build of Windows 8.1, with the version number of 9471, had been leaked on the Internet. Today, there's evidence that Microsoft is getting ever closer to the RTM stage for Windows 8.1 as some leaked screenshots show that a more current build of the OS has entered the RTM phase.

Someone on the message board for the Russian site PCPortal uploaded a screenshot that show that a Windows 8.1 (or as the code calls it winblue) has now reached the RTM branch. The specific build number shown in the screenshot is 9478.0.winblue_rtm_130804-1505.

Last week it was reported that Windows 8.1, with the build number of 9477, had already been sent to some OEMs ahead of the final RTM release so that PC makers could do some final testing before Microsoft signs off on the OS. It would appear that the RTM version is extremely close to going final at this point.

Last week, a rumor claimed that the official "gone gold" Windows 8.1 reveal from Microsoft could be made at any day and that MSDN subscribers could download the final RTM build sometime this week, ahead of its commercial launch.

Thanks to our faithful Neowin reader FaiKee for the tip to this story in our forums!

Source: PCPortal | Image via PCPortal

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30 Comments

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Great timing should be getting my Lenovo Carbon X1 Touch in the mail within a week or so. Hopefully it comes out beforehand so I can start with a fresh, clean install from the get go...

Another couple things have been spotted in the leaked build yesterday:
Mail app includes Windows phone like three dots at the bottom to open app bar (hopefully they have an option to disable this)
A what's next view is new in calendar.
Skype is also preinstalled to replace messaging.

ians18 said,
Another couple things have been spotted in the leaked build yesterday:
Mail app includes Windows phone like three dots at the bottom to open app bar (hopefully they have an option to disable this)
A what's next view is new in calendar.
Skype is also preinstalled to replace messaging.

You won't be able to do. That's a silly notion.

xankazo said,
When an MSDN ISO leaks, will I be able to activate it using my genuine Windows 8 Pro key?

Why? Just wait for the final build to come through the store.

xankazo said,
When an MSDN ISO leaks, will I be able to activate it using my genuine Windows 8 Pro key?
Yes, the 9471 build can already be activated with that key.

Studio384 said,
Yes, the 9471 build can already be activated with that key.

Awesome news. I'm thinking of an SSD upgrade later this year so a fresh 8.1 install would be great.

Studio384 said,
Yes, the 9471 build can already be activated with that key.
With that key? You mean a retail key? 'cause that's what I meant, but forgot to mention. ^_^