I use the following method to make an application remain on top of other windows in Qt: Note that window_top_pos, window_left_pos, window_width and window_height are variables and you can replace them with your own. Please be aware that this is a Win32 API function so it won’t work in Linux or MAC. Don’t forget to … Continue reading "How to make an application “Alway on Top” in C++ (For Qt and Win32)"