Instructions to install Sip and Pyqt for Python 2.7
https://wiki.python.org/moin/BuildPyQt4Windows
QT archives
http://download.qt.io/archive/qt/
https://riverbankcomputing.com/software/sip/download
https://stackoverflow.com/questions/22640640/how-to-install-pyqt4-on-windows-using-pip
https://sourceforge.net/projects/pyqt/?source=typ_redirect
https://www.embarcadero.com/free-tools/ccompiler/free-download/thank-you