Michael Elhadad

How to install NLTK with Python 2.7

The following steps allow you to install the latest Python 2.7 and nltk packages (tested under Windows) as of March 2012.
  1. Download Python 2.7.3 (March 2012)
  2. Download nltk version 2.0b9
  3. Download NumPy for Python 2.7: NumPy 1.6.1 for 2.7 (version 1.6.1 as of March 2012)
  4. Download matplotlib for Windows Python 2.7 (version 1.1.0 as of March 2012)
  5. Sometimes "import nltk" in Python complains about missing yaml - if this happens, reinstall YAML: YAML Download
  6. In Python, run: 
    >>> import nltk
>>> nltk.download()
    In the window that opens, select "all" and download all corpora.

Last modified Mar 22nd, 2012