How can I know what QT version a software was written on?

[gilamran]

Hi,
I have a software that I know was written using QT, how can I know the exact version of Qt they used?

Thanks
Gil.

[ChrisW67]

If it is dynamically linked then look at the version properties (Windows) or file name (Unix) of the dynamic linked Qt libraries. You will also find the library version in the strings of the libQtCore.so library file.

If the program is statically linked then you might find something tell tale in the strings embedded in the executable.

Ask the author or look in the documentation or Help About box.

Guess.