To install MSL-Qt run:

pip install

Alternatively, using the MSL Package Manager run:

msl install qt


  • Python 3.5+
  • PyQt5 or Qt for Python – the Qt package that you want to use (you must install one, but the choice is yours)

You can automatically install one of these Qt packages when MSL-Qt is installed.

To also install PyQt5:

msl install qt[pyqt]

or, to also install Qt for Python:

msl install qt[pyside]

Optional Dependencies

  • Python for .NET – only required if you want to load icons from DLL/EXE files on Windows