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Vista Upgrade on Non-Genuine WinXP Pro


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#1 kazzpurr

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Posted 03 July 2008 - 02:16 PM

Understand a Vista upgrade can only be installed on a genuine copy of WinXP.

Now using muBlinder for WinXP Pro SP3 and wonder if this will suffice as having legit copy of XP to install Vista Ultimate Upgrade edition.

Have done a lot of 'googling' on this and on Vista in general, but still unsure about above. Any info from experts here would be much appreciated.

#2 snodger

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Posted 03 July 2008 - 04:52 PM

A clean install is always preferable to installing on top of a previous OS. The "upgrade" Vista is perfectly adequate for this task. You do not need the full retail version of Vista. In effect, you make a clean install of Vista Upgrade and then immediately use that as the base to install your Vista Upgrade. That's right, you have to install it twice. Microsoft are aware of this trick, and they seem to be quite relaxed about it. So much so that the trick still works with the SP1 release of Vista Upgrade.

Full instructions of how to proceed can be found here.

#3 kazzpurr

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Posted 04 July 2008 - 01:11 AM

A clean install is always preferable to installing on top of a previous OS. The "upgrade" Vista is perfectly adequate for this task. You do not need the full retail version of Vista. In effect, you make a clean install of Vista Upgrade and then immediately use that as the base to install your Vista Upgrade. That's right, you have to install it twice. Microsoft are aware of this trick, and they seem to be quite relaxed about it. So much so that the trick still works with the SP1 release of Vista Upgrade.

Full instructions of how to proceed can be found here.



Your reply is very much appreciated - Tx!

Great link and best I've seen for doing clean install with Vista Upgrade and other info hadn't seen on many other Vista sites had checked out. Clears up doubts I had about eventually getting Vista Ultimate Upgrade version.




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