* '''Python:'''
** First check if you have the latest Python 2.7 installed, before installing the newest. Search in Spotlight for '''Terminal''', and write here
which python
python --version
** If needed, download the latest 2.7 version from the [http://www.python.org/download/ Official Python website].
** This should be the DMG file labelled as '''Python 2.7.x Mac OS X 64-bit/32-bit x86-64/i386 Installer (for Mac OS X 10.6 and later)'''.
** Open the DMG file, double click on the '''Python.mpkg''' file, and follow the instructions.