The following are instructions for installing Qt and compiling a demo application using the MinGW toolchain:

1. Download the Qt 4.8.4 libraries installer here.
2. Run the installer. If a warning message about the version of the w32api.h file appears ignore it and continue the installation (my install is version 3.17 and appears to work fine).
3. By default, the installer does not add the Qt toolchain to the PATH. Instead, it provides a …

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