Below is the path with Qt 5.9:
- When setting up a new project, select only those compilers / sets that are required;
- 64- MinGW ; MinGW64 "posix threads", "win32 threads", , .
Tools > Options > Build & Run > Compilers ++. C:/MinGW64/bin/g++.exe ( "MinGW64" ); C C:/MinGW64/bin/gcc.exe; ""Debuggers C:/MinGW64/bin/gdb.exe ( " MinGW64" ), ""Qt Versions MinGW64; qmake.exe ; , qmake.exe, 32- MinGW Qt- ( )Kits Manual kit; MinGW32 ; Compiler, Debugger Qt Version ; ""- Qt "" "Build and Run"; , , ; "" "" "".