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Is there any install of Qt Open Source for VS 2019 that works?



  • I am trying to install Qt 5 for development on a Windows 8.1 PC using the online installer. I can install the MinGW variants for Qt 5.15.2 in 32- and 64-bit flavours, but everything I try to install for Visual Studio 2019 fails. I can understand why Qt 6 might be an issue as I believe it requires Windows 10 for development. I get this sort of error which aborts the installation:

    Installer Error
    ---------------------------
    Error during installation process (qt.qt5.5151.win64_msvc2019_64):
    
    ---------------------------
    Retry   Ignore   Cancel   
    ---------------------------
    

    Is Visual Studio 2019 Qt development no longer supported on Windows 8.1?

    TIA
    Bill Somerville.



  • If you have python you cold also try using aqtinstall as an alternative to the official installer if it's causing you problems


  • Lifetime Qt Champion

    @bsomervi said in Is there any install of Qt Open Source for VS 2019 that works?:

    Is Visual Studio 2019 Qt development no longer supported on Windows 8.1?

    It is supported.
    Sometimes the installer has troubles downloading components to install. You can try to installe a bit later, or change the used mirror.



  • If you have python you cold also try using aqtinstall as an alternative to the official installer if it's causing you problems



  • @jsulm thanks for the confirmation it should be working. I have installed Qt 5.15.2 for 32-bit Visual Studio 2019 development. It seems the 64-bit packages are where the problem lies. I don't think it is a download error issue, I have tried many times and it always fails after the package downloads have completed.

    At least I can progress with the 32-bit package.



  • @VRonin thanks for the suggestion, that worked nicely. I only needed to add the VS 2019 64-bit package to the ones already installed using the official online installer, so followed the instructions to install into C:\Qt.

    Do you happen to know how to get QtCreator to see the architecture that I installed using aqtinstall? It is not appearing in the list of options for configuring the build of a project.



  • @bsomervi Tools->Options->Kits->Add


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