qtcreator - exe does work fine inside qtcreator but doesn't outside

Question

I want to give a friend of mine a release build of a little project. It works perfectly fine when started from inside qtcreator, but doesn\'t open when double-clicked on the

Answer 1

How can I know what dependencies my project has?

You can use program Dependency Walker from official site to see what dll's your program need.

NB Use Qt dlls of the same version (if you use Qt5, find your dlls from Qt5's bin directory and so on).