There are multiple ways of installing IPython. This page contains simplified installation instructions that should work for most users. Our official documentation contains more detailed instructions for manual installation targeted at advanced users and developers.
If you are looking for installation documentation for the notebook and/or qtconsole, those are now part of Jupyter.
I already have Python
If you already have Python installed and are familiar with installing packages, you can get IPython with pip:
pip install python
from http://ipython.org/install.html
Install · Documentation · Project · Jupiter
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Official repository for IPython itself
IPython: Productive Interactive Computing
Overview
Welcome to IPython. Our full documentation is available on our website; if you downloaded a built source distribution the docs/source directory contains the plaintext version of these manuals. If you have Sphinx installed, you can build them by typing cd docs; make html for local browsing.
See the install page to install IPython.
The Notebook, Qt console and a number of other pieces are now parts of Jupyter. See the Jupyter installation docs if you want to use these.
Officially, IPython requires Python version 2.7, or 3.3 and above. IPython 1.x is the last IPython version to support Python 2.6 and 3.2.
Instant running
You can run IPython from this directory without even installing it system-wide by typing at the terminal:
$ python -m Python
from https://github.com/ipython/ipython