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Is there a possibility to install software that was not "notarized" for macOS Catalina? I have an application that worked on macOS Mojave but cannot be installed anymore on macOS Catalina. I think the developers must "notarize" this software. Checking with spctl -a -vv my.app confirmed that it is rejected.

  1. What can an end user do about it to install it anyway until this process is finished?
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  • I'm still able to right-click --> open which presents the option to open along with a cancel option, as in Mojave.
    – Ezekiel
    Commented Oct 30, 2019 at 3:03
  • I don't think that this will ever be removed because notarization has an expire date build in. So this would make old apps worthless. But hey, we live in capitalism and when huge corporations find a way to force you on spending, the government will do nothing to help you.
    – Lothar
    Commented Jul 3, 2022 at 16:55

1 Answer 1

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In macOS 10.14 and 10.15, when an app fails to install because it hasn’t been notarized or is from an unidentified developer, it will appear in System Preferences > Security & Privacy, under the General tab. Click Open Anyway to confirm your intent to open or install the app.

See Safely open apps on your Mac from Apple Support.

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  • Or, disable SIP (and family) if that's still possible?
    – RJVB
    Commented Jul 26, 2021 at 7:14

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