nltk Getting started with nltk Installation or Setup

Example

NLTK requires Python versions 2.7 or 3.4+.

These instructions consider python version - 3.5

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• Mac/Unix :

  1. Install NLTK: run sudo pip install -U nltk
  2. Install Numpy (optional): run sudo pip install -U numpy
  3. Test installation: run python then type import nltk

  NOTE : For older versions of Python it might be necessary to install setuptools (see http://pypi.python.org/pypi/setuptools) and to install pip (sudo easy_install pip).

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• Windows :

  These instructions assume that you do not already have Python installed on your machine.

  32-bit binary installation

  1. Install Python 3.5: http://www.python.org/downloads/ (avoid the 64-bit versions)
  2. Install Numpy (optional): http://sourceforge.net/projects/numpy/files/NumPy/ (the version that specifies pythnon3.5)
  3. Install NLTK: http://pypi.python.org/pypi/nltk
  4. Test installation: Start>Python35, then type import nltk

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• Installing Third-Party Software :

  Please see: https://github.com/nltk/nltk/wiki/Installing-Third-Party-Software

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Reference : http://www.nltk.org/install.html