Python is available on a wide variety of platforms, including Linux and Mac OS. Open a command prompt and type "python" to find out if it is already installed and which version is installed.
The most up-to-date and current source code, documentation, news, etc., is available on the Python official website https://www.python.org/.
You can download it from here: Python 3.10 64bit
After executing downloaded file, you will see below setup:
Select Add Python [3.7] to PATH
Click 'Customize installation for more option
In Advanced Options: check install for all users and select installation path. eg. c:\python37
After successfully install python, open cmd and type 'python' it will show python and IDLE installed version.