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Which Qt download option to choose for Windows 7 64-bit OS?

  • I'm new to Qt and am not sure which download would be appropriate for a Windows 7 64-bit OS.
    I see:

    Qt 5.1.0 for Windows 64-bit (VS 2012, OpenGL, 522 MB) (Info) and
    Qt 5.1.0 for Windows 64-bit (VS 2012, 525 MB) (Info)

    Although, I have VS 2012 Express installed on my computer, I only wish to use the Qt Creator IDE.
    The OpenGL option is fine, I guess.

    Which one to download?
    Are there any special caveats?


  • Moderators

    The only difference is in the graphics backend.

    The first one uses OpenGL, so your development PC (and any other computer that you want your program to run on) needs to have graphics drivers installed that support OpenGL 2.0 or higher.

    The second one uses DirectX, so you don't need to install OpenGL drivers. Note that since Win 7 ships with DirectX 11, programs that you compile can't run on Win XP which only supports up to DirectX 9.0c (although, programs built with VS 2012 can't run on Win XP anyway)

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