QT += widgets SOURCES = main.cpp TARGET = hello CONFIG += c++17 Create main.cpp :
qmake hello.pro nmake release (for MSVC) mingw32-make (for MinGW) Run release\hello.exe . qt-opensource-windows-x86-5.15.2.exe
#include <QApplication> #include <QLabel> int main(int argc, char *argv[]) QApplication app(argc, argv); QLabel label("Hello from Qt 5.15.2 offline!"); label.show(); return app.exec(); QT += widgets SOURCES = main
Build:
While Qt 6 is the future, tens of thousands of production systems still run on Qt 5.15.2. By mastering this installer, you ensure the ability to maintain, debug, and deploy those systems without forced migrations or licensing surprises. int main(int argc
