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Windows 7 forum

General discussion

Windows 7 Version Numbers?

by peely_peel / July 26, 2009 6:54 AM PDT

I suppose this isn't only for windows 7, but its the context of this question.

I've been following the leaks of windows 7 (reading about, not downloading of course), until it has now finally RTM'ed. and i have one question. if i install the RC, (7100) and then run windows update, does it make it version 7600? or will it always be worse?

i do understand version number system. each change they make to the code makes it a different version.

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Upgrading to RTM
by Jonmor68 / July 26, 2009 8:07 AM PDT

will give you the the RTM version number, if it remained the same version number it wouldn't be an upgrade.
However upgrading from the RC, puts all your files in a Windows old folder and programs will need to be reinstalled, your data files can be restored from that folder.
If you have Vista and wish to retain your programs, you are better off to upgrade from Vista to the W7 RTM. There is less then 3 months to wait.
If you want to try W7 RC you would be better off to install on a seperate partition, giving you a dual boot.

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by peely_peel / July 26, 2009 8:44 AM PDT
In reply to: Upgrading to RTM

That's not quite what I asked, but thanks for your input.

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To answer your question...
by John.Wilkinson / July 26, 2009 9:16 AM PDT
In reply to: Thanks

No, running Windows Update will not update you from build 7100 to 7600. 7100 is available as a free beta trial while 7600 is the final, paid version. Upgrading is disabled since Microsoft does not support upgrading from pre-release code, which may be buggy and create countless untold problems.

Hope this helps,

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This is good
by peely_peel / July 26, 2009 9:25 AM PDT

This is closer to what i wanted to know. thank you. that makes sense, Microsoft don't want you running windows update and getting the finished free product, nor do they want you to brick your computer if it doesn't work.

So what about when you have bought a copy. does every update you install change your version number?

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by John.Wilkinson / July 26, 2009 9:45 AM PDT
In reply to: This is good

Only service packs (Windows Vista RTM -> Windows Vista SP1) and full releases (Windows Vista -> Windows 7) change that number. It is designed to indicate major changes, not each individual one. In addition, a build number cannot indicate if you skipped one update but installed another, making it useless for that purpose.


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Thank you
by peely_peel / July 26, 2009 10:00 AM PDT
In reply to: No...

Thank you very much. you answered my question perfectly. much appreciated.

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