You can easily install Jupyter notebook application using pip package manager.
pip3 install jupyter
To start the application, use the following command in the command prompt window.
c:\python36>jupyter notebook
The server application starts running at default port number 8888 and browser window opens to show notebook dashboard.
Observe that the dashboard shows a dropdown near the right border of browser with an arrow beside the New button. It contains the currently available notebook kernels. Now, choose Python 3, then a new notebook opens in a new tab. An input cell as similar to that of in IPython console is displayed.
You can execute any Python expression in it. The result will be displayed in the Out cell.