When you install Python on Mac, the system adds it to your path by default. If you can't run your Python commands from the terminal, something may have gone wrong during the installation process ...

As you install Python, simply be sure to tick the box that says “Add Python to PATH.” This can be found at the bottom of the image and it may be unticked by default! How to add Python manually ...

To install NumPy using Pip on Windows 10, you first need to download and install Python on your Windows PC. Make sure you select the Install launcher for all users and Add Python to PATH checkboxes.

IDG. When installing Python on Windows, select the ‘Customize installation’ option during setup. IDG. In the next screen, make sure you’ve checked the ‘py launcher’ option.