I can't upgrade my windows 8 enterprise to windows 8.1 Enteprise preview

Posted by Steve B on Super User See other posts from Super User or by Steve B
Published on 2013-07-01T08:54:25Z Indexed on 2013/07/01 10:24 UTC
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windows-8.1-preview

My PC is running Windows 8 Enterprise X64 (French). I'm trying to upgrade to 8.1 preview, so I downloaded the 64 bits ISO of Windows 8.1 preview (french):fr_windows_8.1_preview_x64_dvd_2358804.iso

My I start the setup from the media, the setup does not propose me to upgrade and keep my applications. Only Keep personal files only and Keep nothing are available.

When I read the technet page Supported Upgrade Path, upgrading and keeping everything should be proposed.

Why can't I upgrade? Do I missed something?

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