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To install Python, you will need to download its most recent distribution from the following URL: www.python.org. Don’t worry if you already have an earlier version of Python installed on your machine. You can have multiple versions of Python on the same computer. The new version of Python is installed in a separate location and will not interfere with the older version on your computer. Many Linux distributions and Mac OS X come with Python 2.x as part of the operating system. Let’s have a look at the steps for installing Python on Microsoft Windows.
For Microsoft Windows, download the latest Python installer program from its site. This book is based on Python version 3.2, and its installer program is python-3.2.msi. Download it, and then double-click on it to begin the installation wizard.