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Windows 7: Upgrade question: win7 home-pre to pro?

07 Nov 2011   #1

Windows 7 professional 64bit
Upgrade question: win7 home-pre to pro?


I just bought a new pc and there was something wrong with the hard-disc.
So I went to the shop and they fixed it.

It was a pc without windows installed and I have a win7 professional disc. In the store they installed win7 home-pre x64 to check if it all worked.

Now, I want my win7 pro installed, without losing the files and programmes which are on there already. (My brother installed everything without me knowing lol).

Anyway how do I do this? I know about the windows upgrade system but they keep talking about a "upgrade key"..... is an upgrade key the same as the serial code?

Im just looking for a way to get this done without having to make a backup etc.

Big thanks in advance!

My System SpecsSystem Spec

07 Nov 2011   #2

Microsoft Community Contributor Award Recipient


Take a look at this:
Windows Anytime Upgrade - Upgrade your Windows 7 edition - Microsoft Windows

No install files needed.
Only the Upgrade key is need.
Anytime upgrade only adds-on the Programs & Features from version to version.
Windows Anytime Upgrade - How to
My System SpecsSystem Spec

 Upgrade question: win7 home-pre to pro?

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