1. Uninstall earlier versions of python.
2. Download and Install python install manager from 'python.org' which installs python 3.14.4 also.
3. On windows command prompt, check python version using 'python --version' command.
4. On windows command prompt, give 'pip install PyQt6'.
5. To use Qt designer, give 'pip install PySide6'. This installs 'pyside6-designer.exe' which can be used to develop GUI.
6. To open the designer, run the exe 'pyside6-designer.exe'
7. To run the bcdemo GUI, on windows command prompt, go to the directory where 'bcdemo_python_gui.py' and 'MainWindow.ui' are located and give 'python bcdemo_python_gui.py'.
