Step 1 : Go to the official Python website (https://www.python.org/downloads/) and download the latest version of Python for Windows.

Step 2 : Go to download folder and run the installer and select the "Install Now" option.

Step 3 : Select the "Add Python to PATH" option and click "Install."

Step 4 : Wait for the installation to complete. This may take several minutes. After the installation is complete, open a command prompt by pressing the Windows key + R and typing "cmd" in the Run dialog box. Press Enter to open the command prompt.

Step 5 : In the command prompt, type "python" and press Enter. You should see the Python interpreter start up, which will look something like this:

This should open the Python interpreter and display the version number of Python that is installed on your computer. You can exit the Python interpreter by typing "exit ()" and pressing Enter.