Upgrade Home Premium to Professional? (7)

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  1. Posts : 2
    Windows 7
       #1

    Upgrade Home Premium to Professional? (7)


    Hello everyone, I just received a copy of Windows 7 Professional via MSDNAA. I'd like to upgrade my computer which is running 7 Home Premium.

    Is there any tweaks that I need to make, as every time I try to launch the Upgrade process via the downloaded Win7Pro disk, it tells me to use Anytime Upgrade. However, Anytime Upgrade says that it can't upgrade to that version of windows after I enter the key given to me by the MSDNAA (it validates fine).

    Suggestions?

    Thanks :)

    (Copied from NBR)
      My Computer

  2.    #2

    Unfortunately, MS wants you to use Anytime to Upgrade between Win7 versions. You are left to clean install if you have another retail version.

    However, there is a workaround which is achieved by adapting this popular fix for changing between the Ultimate RC and any other version: Upgrade the Windows 7 RC to any retail version Icrontic Tech

    The same principle applies: you carefully change the reg keys to trick installer into thinking you are upgrading over the same version, which is a Repair Install in Win7 and therefore allowed.

    It has worked every time tried so far, for many different combinations Starter>Premium, Ultimate>Pro, Premium>Ultimate, etc. All users report good performance.
      My Computer


  3. Posts : 2
    Windows 7
    Thread Starter
       #3

    Thank you very much for this!
    it worked very well, took awhile, but it worked. I remember doing this to update between beta and RC versions of Windows 7. I just didn't think to apply this solution to the issue I was having. Thanks again for it :)
      My Computer

  4.    #4

    You're welcome.

    Glad it worked for you and thanks for reporting it back to us.
      My Computer


  5. Posts : 1
    Win 7 Ult 64, Win 8.1 Pro 64, Win 10 pre 64, MacOS
       #5

    Worked to repair Home Premium with Pro


    I was working on a computer that thought it was Win 7 Home Premium even though it was originally Win 7 Pro on the COA. Didn't realize that till after I completed a repair install of Home Premium. Went to put in the CD key and it rejected it. That's when I realized that the OS was reporting the wrong version. Changing the 2 registry entries noted in the link from Home Premium to Professional let me do a repair install of Professional and now all is right in the world.

    Here's the important info: To start, crack open the registry and navigate to the HKLM\Software\Microsoft\Windows NT\Current Version folder. In the right-hand pane, there are two registry entries named EditionID and ProductName. Those are the ones to change.
      My Computer


  6. Posts : 20,583
    Win-7-Pro64bit 7-H-Prem-64bit
       #6

    Kind of a difficult thing to miss
      My Computer

  7.    #7

    If it had Home Premium instead of the licensed version on the COA then it was most likely installed at some point. I've never seen the OS report itself incorrectly. The question then becomes if the user reinstalled it with a HP Product Key that is now sitting unused, or if it had been cracked by either the owner or the ubiquitous "friend" bearing gifts.
      My Computer


  8. Posts : 29
    Windows 7 Home Premium 64 bit
       #8

    gregrocker said:
    However, there is a workaround which is achieved by adapting this popular fix for changing between the Ultimate RC and any other version: Upgrade the Windows 7 RC to any retail version Icrontic Tech
    How EXACTLY does this workaround work? Will I need to buy anything? A license key, etc.
    I just want to upgrade my Win 7 Home Premium to Professional, and the "Anytime Upgrade" is no longer available (of course).
      My Computer


  9. Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       #9

    In order to go from Windows 7 Home Premium to Professional you will have to buy Windows 7 Professional. They are about $140.00.

    Be very careful where you get it from. Their are many counterfeits being sold.

    Jack
      My Computer


  10. Posts : 13,576
    Windows 10 Pro x64
       #10

    Windows 7 Professional SP1 64-bit-Newegg.com

    What`s your purpose for going from HP to Pro, do you want to install more then 16 GB of memory ?
      My Computer


 
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