7-Z Newer version

  1.    10 Sep 2016 #1

    7-Z Newer version

    On my win 10 pc, is installed 7-z program, version 15.14 since OS installation. Reading here and there I found there is a new version 16.02. If I want to update this program, shell I uninstall the previous first, or can I install it over the program ?
    In 7-z help could not find answers.
    Your answers will be appreciated.
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  2. Berton's Avatar
    Posts : 5,877
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       10 Sep 2016 #2

    Is that the file format generally associated with 7-Zip? http://www.7-zip.org/
    Many Windows-based programs will simply install over the top of, or Upgrade, what is already installed. That's good if one has purchased a program and doesn't want to lose registration information but with totally free programs one can either just install the new or Uninstall the old first.
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  3. MoxieMomma's Avatar
    Posts : 824
    Win10/64 Pro 1511 (and 2 Win 7/64 Ult & Pro systems)
       10 Sep 2016 #3


    I think you ought to be able to install on top of the existing version.
    But there would be no harm in doing a clean upgrade.
    It's open-source software, so there's no license issue...

    (Either way, it's important to do so soon, as the current version patches several important security vulnerabilities in older versions that were being exploited in the wild.)

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  4.    10 Sep 2016 #4

    just install new version and it will working fine
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  5. TairikuOkami's Avatar
    Posts : 3,572
    Home 1809 x64 10.0.17763.288
       11 Sep 2016 #5

    Better uninstall, because it depends, if you used exe or msi installer before as well, if you have x86 or x64 version installed.
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  6.    11 Sep 2016 #6

    Mostly you can just update without reinstalling but as this was quite a major jump in versions due to the need to patch it you should uninstall first
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  7. strollin's Avatar
    Posts : 763
    W10 Pro (desktop), W10 (laptop), W10 (laptop), W10Pro (tablet)
       11 Sep 2016 #7

    After reading this thread, I checked what version of 7Zip I had installed and found I was using version 9.2! I downloaded the latest version and ran the installer, it installed fine over the top of the older version. I did get a prompt that said I needed to reboot in order for it to be able to replace some files.
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