Tx2517ca From Windows Vista Home Premium 32-bit to Windows 7 Professional 32-bit

Hi Everyone,
I have a very specific question. I currently am running Windows Vista Home Premium 32-bit, but I want to use Windows 7. However, I want to use Windows 7 Professional 32-bit (rather than Windows 7 Home Premium) and understand that this will require a clean install.
Before I purchase Windows 7 Professional, I want to make sure that this can be done correctly. Does anyone know if this is possible or have already done this?
I have downloaded and ran Windows 7 Upgrade Advisor which told me that I would be able to upgrade to Windows 7 Home Premium or Ultimate, but it does not mention Windows 7 Professional at all. I'm assuming this is because it would require a clean install.
Thanks for your time,
Lauren

thanks ... I see now from your other post that you're probably getting either a "missing QuickTime.msi" message or being told that a "newer version of QuickTime" is installed when you try to go ahead and uninstall QuickTime after you're told about the Key?
Unfortunately, these sorts of msi-related troubles have gotten more complicated to deal with ever since Microsoft pulled the Windows Installer CleanUp utility from their Download Center on June 25. First we have to find a copy of the utility.
Let's try Googling. (Best not to use Bing, I think.) Look for a working download site for at least version 3.0 of the Windows Installer CleanUp utility. After downloading the utility installer file (msicuu2.exe), scan the file for malware, just in case. (I use the free version of Malwarebytes AntiMalware to do single-file scans for that.)
If the file is clean, to install the utility, doubleclick the msicuu2.exe file you've downloaded.
Now run the utility ("Start > All Programs > Windows Install Clean Up"). In the list of programs that appears in CleanUp, select any QuickTime entries and click "Remove".
Quit out of CleanUp, restart the PC and try installing iTunes again. Does the install go through properly this time?
(If you do find a clean download site for the correct version of CleanUp, please don't tell me where it is. Without wishing to sound paranoid (although I grant it does sound paranoid), there is a non-zero chance that posting links to download locations for the utility here at Discussions leads to that download location being shut down.)

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