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Qt installer framework - detect installed software

  • Hi everyone,

    I was wondering whether its possible to detect already installed software with the QT installer framework component scripts.
    I need to install vcredist (Visual Studio Redistributable) along with my software but would like to check whether it's already installed. Is there a way to do this?

    Also i have another driver i need to install, with a 32bit and a 64bit version. From what i read it is not possible to detect whether the system is running on 32 or 64 bit, right?

    Thanks in advance!

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