From there you can find classes for GUI widgets, strings, network sockets, database queries, and even serial ports. I could do an entire tutorial on using QtCreator, but it would be a duplication ...

Building both for Windows and Linux is supported. Prerequisite: minimal supported Qt version is Qt 5.10. Maximum tested Qt version for building the app is Qt 6.7.2 Download and install Qt5.10+/Qt6, Qt ...