Installation

Windows

First check whether your computer is running a 32-bit version or a 64-bit version of Windows, by pressing the Windows key + Pause/Break key which will open your System info, and look at the System type line.

You can download Python for Windows from here. Click on the Latest Python 3 Release - Python 3.x.x link. If your computer is running a 64-bit version of Windows, download the Windows x86-64 executable installer. Otherwise, download the Windows x86 executable installer. After downloading the installer, you should run it (double-click on it) and follow the instructions there.

One thing to watch out for: During the installation you will notice a window marked Setup. Make sure you tick the Add Python 3.5 to PATH checkbox and click on “Install Now”, and follow the instructions carefully .

OS X

NOTE : Before you install Python on OS X, you should ensure your Mac settings allow installing packages that aren’t from the App Store. Go to System Preferences (it’s in the Applications folder), click “Security & Privacy,” and then the “General” tab. If your “Allow apps downloaded from:” is set to “Mac App Store,” change it to “Mac App Store and identified developers.”

• You need to go to the website https://www.python.org/downloads/release/python-351/ and download the Python installer:

• Download the Mac OS X 64-bit/32-bit installer file, Double click python-3.5.1-macosx10.6.pkg to run the installer.
• Now in Terminal , If the following command successfully prints the version of python installed then you’re good to go ! .

$ python3 --version
python 3.5.1

Linux