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Possible Duplicate:
Will it be possible to upgrade from Windows 8 RC to the RTM version?

I've seen the upgrade offer from Microsoft that allows upgrading to Windows 8 from Windows XP, Vista and 7.

If I already upgraded my Win7 to Win8 release preview, do I have to downgrade first to upgrade to final windows 8 ?

Can I upgrade to final windows 8, if I did a clean install of Win8 release preview ?

Thanks in advance.

UPDATE

More to the point.

I'm not worried about settings... I'm wondering whether, if I do a clean install of RP, (for free, obviously), will I get Win 8 Pro for $40 ? Or do I have to do an upgrade from Windows 7 ?

Community
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Madushan
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3 Answers3

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It hasn't been confirmed, but accorind to Paul Thurrott and Mary Jo Foley on Windows Weekly (http://twit.tv/ww) you will be able to upgrade from RP to RTM, but you won't keep your settings.

JacobTheDev
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It appears that it will be possible for $40. See here for more information.

soandos
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1

Upgrade from Preview to RTM works even without loosing settings. When you get following error message while installing Windows 8 you can just do below simple change.

You can't upgrade this prerelease version of Windows. Go to http://go.microsoft.com/fwlink/?LinkID=142337 to see how to install Windows and keep your files and settings.

Just change one file in the installation directory. I'm using a USB Stick to install Windows 8 and changed the file /sources/cversion.ini to

[HostBuild]
MinClient=7100.0
MinServer=7100.0

Before it was twice the value 8508.0.

Then the upgrade from a Windows 8 Preview to RTM worked without any problems. Even after some days of usage no problem discovered. But be aware - this is officially not possible, so you may have issues that aren't known so far...

FiveO
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