Windows 10: Does Upgrade from 7 to 10 Create a new Registry or uses old?

Discus and support Does Upgrade from 7 to 10 Create a new Registry or uses old? in Windows 10 Installation and Upgrade to solve the problem; I will upgrade to Win 10 during Christmas. Would like to know if an upgrade from 7 creates a fresh/clean new registry, or does it use the existing... Discussion in 'Windows 10 Installation and Upgrade' started by Manigue, Dec 18, 2015.

  1. Manigue Win User

    Does Upgrade from 7 to 10 Create a new Registry or uses old?


    I will upgrade to Win 10 during Christmas.
    Would like to know if an upgrade from 7 creates a fresh/clean new registry, or does it use the existing win7 one?

    :)
     
    Manigue, Dec 18, 2015
    #1
  2. JayWillig Win User

    Does Windows 10 upgrade creat a new Freash registry?

    Does Windows 10 upgrade creat a new Freash registry? Reason for asking this my other computer seems to have a corrupted Windows 7 Registry. Please answer this as soon as possible. Thank You
     
    JayWillig, Dec 18, 2015
    #2
  3. Does the upgrade replace the registry going from Win 7 to Win 10?

    Does the upgrade replace the registry going from Win 7 to Win 10?

    If not, Should I run a registry cleaner prior to the upgrade?
     
    PaulHydrean, Dec 18, 2015
    #3
  4. jds63 Win User

    Does Upgrade from 7 to 10 Create a new Registry or uses old?

    Going to say it will create a new one, the entries from existing software will be added. Particular reasons to ask this ?
     
    jds63, Dec 18, 2015
    #4
  5. Almighty1 Win User
    From my experience, it just uses the old one.
     
    Almighty1, Dec 18, 2015
    #5
  6. Manigue Win User
    New will be good. The reason is my actual registry still holds so much junk/leftover from old/removed software that I just thought it would be nice to start with a fresh registry.
     
    Manigue, Dec 18, 2015
    #6
  7. Manigue Win User
    Pitty. Guess the best option will be a clean fresh install after the upgrade.
     
    Manigue, Dec 18, 2015
    #7
  8. LMiller7 Win User

    Does Upgrade from 7 to 10 Create a new Registry or uses old?

    When you do an upgrade there will be a combination of the old registry plus the new. This is a complicated process. One of the major reasons for doing an upgrade is to maintain the original registry settings for the system and applications. If the upgrade gave you a fresh/clean registry all of that would be gone. If you have leftovers from uninstalled applications they will remain because Windows does not and cannot know for certain they are unused.

    The only way to get a clean/fresh registry is to do a clean install. Registry cleaners can't do that.
     
    LMiller7, Dec 19, 2015
    #8
  9. Ztruker Win User
    Ztruker, Dec 19, 2015
    #9
  10. jds63 Win User
    Well said by LMiller, the only way would be a clean install. Should of pretty much figured this myself i knew old registry entries fro mexisting software would be there.
     
    jds63, Apr 4, 2018
    #10
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Does Upgrade from 7 to 10 Create a new Registry or uses old?

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