I'm contemplating upgrading from Windows 8 to the new Windows 8.1 Preview, but I've been unable to find whether it will be technically possible to upgrade from the preview to the full release. It apparently is with Windows RT, but I've found nothing about Windows 8 Pro.

  • I'm sure there are good reasons for the down votes this question has been given, but it would be very helpful to know what they are? – davidm_uk Jun 27 '13 at 9:15
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    Welcome to Server Fault! Alas, licensing questions are not on topic here; see serverfault.com/help/on-topic and serverfault.com/questions/215405/… for details. – Falcon Momot Jun 27 '13 at 9:22
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    Yes. The fact that you are not even bothering to read the release declarations of microsoft. This went through the press months ago. Repeatedly. And weeks ago. And days ago. And yesterday. – TomTom Jun 27 '13 at 9:23
  • @FalconMomot This is not a licensing but a technical question. Especially as 8.1 is a free upgrade / Service pack to 8.0 – TomTom Jun 27 '13 at 9:23
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    Yes, I intended it as a technical question. I'm well aware of the contents of 8.1 and the fact that it's free - I just couldn't see any reference to whether the preview would be upgradable to the final release without losing stuff in the FAQ. – davidm_uk Jun 27 '13 at 9:33

Accordingb to Microsoft it is possible but it will wipe all installed desktop software and likely require reinstalling modern apps.

8.0 RTM -> 8.1 RTM : No loss 8.1 Preview -> 8.1 RTM: supported but loss.


incidentally explains all things in this regard.

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  • Thank you. Bizarrely I read that FAQ (I thought), but clearly not carefully enough! However, you answer is greatly appreciated. – davidm_uk Jun 27 '13 at 9:29

I've found my own answer, from Paul Thurrott:

those who do install the Preview will lose any installed desktop applications or Metro-style apps when they later upgrade to the final release, which should be completed in August.


So, it appears that upgrading to the final release will be supported but it will wipe installed applications.

(I still can't find this information in the Microsoft FAQ at http://windows.microsoft.com/en-us/windows-8/preview-faq, although I'm assured it's there - so hopefully this question may help somebody else.)

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