1 How to Download and Install Python
Whether you already have Python installed or not, you can go to python.org in order to get the latest version and follow the installation process for your respoective operating system as prompted.
On your computer, you should now have a new program called IDLE (which stands for Integrated DeveLopment Environment). Open this and you should now have a place to enter valid Python code and have it interpreted line by line by what is known as the CPython interpreter. This is the most standardised and widely used implementation of Python.