Windows 8 and 8.1 Forums


So, does the upgrade "really" need to have anything previously on HD?

  1. #1

    So, does the upgrade "really" need to have anything previously on HD?


    For those of you who have bought the upgrade and played around a bit, what is the real world answer here?

    Can you take a running Windows 7 PC, go through the upgrade advisor, pay the $39, do the digital download, burn a DVD from the ISO and then take that installer to a computer with a completely blank hard drive, install it, input the CD key you get from the purchase and be on your merry way?

    That's what I seem to be reading from a variety of sources. I want to be sure that I understand the process so I can answer correctly if somebody asks me.

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  2. #2


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Yes, you can, but the same rules apply as Windows 7 End User Liicence Agreement:
    Clean Install with a Upgrade Windows 7 Version - Windows 7 Forums
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  3. #3


    So in the end you have to have a valid Windows 7 OS (or other ones that are listed) to be able to clean install Windows 8. .
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  4. #4


    I believe you have to have a valid Windows OS to run through the upgrade advisor and get the ISO download. But it doesn't seem like you have to have Windows installed on the HDD in order to actually do the download. That's what I am trying to get cleared up from somebody who has gone through the process.

    Do you get a key with this ISO download, or are you supposed to use your existing Windows key when you install Windows 8 from this ISO download?

    Edit: From what I have read, you have to provide BOTH the key from XP, Vista or 7...as well as the upgrade key that you get with the download. Can somebody please confirm?
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  5. #5


    oh ok, so once the upgrade advisor knows that you have a valid windows version, it will then only allow you to download the ISO. I have read a lot of other posts where people install the windows 8 upgrade package on a brand new hard drive, no previous versions installed or anything like that...

    I also found this which clears things up slightly
    possible to buy the upgrade version and install it on other computer?
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  6. #6


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Quote Originally Posted by Moodkiller View Post
    So in the end you have to have a valid Windows 7 OS (or other ones that are listed) to be able to clean install Windows 8. .
    Yes, than you do a clean install legally.
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  7. #7


    Quote Originally Posted by theog View Post
    Quote Originally Posted by Moodkiller View Post
    So in the end you have to have a valid Windows 7 OS (or other ones that are listed) to be able to clean install Windows 8. .
    Yes, than you do a clean install legally.
    Ah I see...and then with reference to my previous edited post with the link in it?
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  8. #8


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    I also found this which clears things up slightly
    possible to buy the upgrade version and install it on other computer?
    Yes, you can, but the same rules still apply. On one PC only.
      My System SpecsSystem Spec

  9. #9


    Yes, this is what I am looking for clarification on.

    Here is the reason I ask

    --Back in July of 2009, I built my computer and I bought a copy of Vista 64-bit Ultimate for it with a coupon for a free upgrade to Windows 7. But instead of ever using that vista copy, i was playing with the Windows 7 Release Candidate.
    --Then, I attended a Microsoft launch event called "The New Efficiency" and Microsoft handed out free copies of Windows 7 Ultimate 64 bit at that show.

    So, I used that "free" copy of Windows 7 Ultimate on my computer build from 2009.

    Meanwhile, I did receive my "free" upgrade to Windows 7 that I was entitled to for having purchased Vista so close to the rollout date for Windows 7. Both disks have simply sat on my shelf collecting dust.

    So, in theory I can buy an upgrade for Windows 8 Pro for $39.99 for this copy of Vista 64 that I bought...but is still in the shrink wrap and never used. So, I could leave my regular everyday Windows 7 machine as is, and potentially build a new computer and use Windows 8 upgrade on it from my Vista copy.
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  10. #10


    Quote Originally Posted by theog View Post
    I also found this which clears things up slightly
    possible to buy the upgrade version and install it on other computer?
    Yes, you can, but the same rules still apply. On one PC only.
    Okay, thank you for clearing that up
      My System SpecsSystem Spec

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So, does the upgrade "really" need to have anything previously on HD?
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