Reactivating Windows 7 with fresh install

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  1. kapok
    Posts : 7
    Windows 7 Home Premium 32bit
       New #1

    Reactivating Windows 7 with fresh install


    I installed Windows 7 Home Premium over Vista Business on a PC to see if it would run and tested it out for a few days. I used my installation CD that was good for only one PC. So to activate Win 7 on that 2nd PC I need to buy another copy of the OS. Can I just reinstall over the current version of Win7, or so I need to wipe the drive and install fresh?
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  3. Kaktussoft
    Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       New #2

    You just want to reactivate an already activated win7 installation?
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  4. windude99
    Posts : 1,533
    Windows 7 Professional x64 Service Pack 1
       New #3

    kapok said:
    I installed Windows 7 Home Premium over Vista Business on a PC to see if it would run and tested it out for a few days. I used my installation CD that was good for only one PC. So to activate Win 7 on that 2nd PC I need to buy another copy of the OS. Can I just reinstall over the current version of Win7, or so I need to wipe the drive and install fresh?
    Since you can only use one installation at a time, you need to choose which pc you want Windows 7 on. The other is going to have to run another os unless you buy another copy of Windows 7.
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  6. kapok
    Posts : 7
    Windows 7 Home Premium 32bit
    Thread Starter
       New #4

    Not exactly... I installed Windows 7 on two PCs using a CD that was licensed for only one PC. So now I need to buy another license and install it on the second PC. So can I just insert the CD and reinstall on the 2nd PC, or do I need to erase the HDD and reinstall fresh?

    Kaktussoft said:
    You just want to reactivate an already activated win7 installation?
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  7. Kaktussoft
    Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       New #5

    no reinstall needed!! just change the product key in system ->properties on botttom of page
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  8. kapok
    Posts : 7
    Windows 7 Home Premium 32bit
    Thread Starter
       New #6

    Awesome! Where do I find the System>Properties screen?

    Kaktussoft said:
    no reinstall needed!! just change the product key in system ->properties on botttom of page
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  10. kapok
    Posts : 7
    Windows 7 Home Premium 32bit
    Thread Starter
       New #7

    Awesome! I see the System Properties > Windows activation information on my current PC. On the unactivated one I assume I'll be able to change that (Not in front of that PC at the moment).
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  11. kapok
    Posts : 7
    Windows 7 Home Premium 32bit
    Thread Starter
       New #8

    So to follow up, two PCs have the same copy of Windows 7 Home installed. I need to install another OS on one of them. So can I:
    1. Upgrade PC#1 from Windows 7 Home to Professional via an upgrade
    2. Then use my original Windows 7 key with PC#2?
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  12. windude99
    Posts : 1,533
    Windows 7 Professional x64 Service Pack 1
       New #9

    kapok said:
    So to follow up, two PCs have the same copy of Windows 7 Home installed. I need to install another OS on one of them. So can I:
    1. Upgrade PC#1 from Windows 7 Home to Professional via an upgrade
    2. Then use my original Windows 7 key with PC#2?
    No, because Windows anytime upgrade requires your pc be activated before you upgrade. Even after you upgrade, your pc will still be activated with the Windows 7 Home Premium product key along with the new Windows 7 Professional key. I know about this because I use Windows anytine upgrade on one of my computers.
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  13. kapok
    Posts : 7
    Windows 7 Home Premium 32bit
    Thread Starter
       New #10

    Well, shoot. Any suggestions?
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