Upgrading Windows 7 Home to Professional, and re-using Windows 7 Home

I purchased a new Hard Drive, and I installed Windows 7 Home Premium on it.

I recently purchased an upgrade that upgraded Windows 7 Home Premium into Windows 7 Professional.

I still have Windows Vista on my other Laptop, and I was wondering if I could re-use Windows 7 Home Premium to upgrade my vista into Windows 7.

In other words, I am going to maintain Windows 7 Professional on Laptop One(which I upgraded after I installed Windows 7 Home Premium on it) while being able to update Laptop Two from Windows Vista into the Windows 7 Home Premium that I upgraded into Windows 7 Professional.
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  1. You should be able to do that since you will have only one computer using each OS version and you own both computers and both windows cd's. The thing that is going to happen however is that when you go to load the Home Premium upgrade , since you had loaded it on the other computer and was registered on that computer the activation is going to see that you are trying to load it on another computer and won't activate the install you will have to activate it over the phone.
  2. inzone said:
    You should be able to do that since you will have only one computer using each OS version and you own both computers and both windows cd's. The thing that is going to happen however is that when you go to load the Home Premium upgrade , since you had loaded it on the other computer and was registered on that computer the activation is going to see that you are trying to load it on another computer and won't activate the install you will have to activate it over the phone.



    Thanks! I'm now going to test it out.

    Thanks again
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