Check Python installation path:

	
	where python
	

Before Installating Python, verify wheather it is already installed on our system using where python command.

Check Python Version

	
	python -V
	

navigate to the path returnd by where python command. and get the version of python using python -V . Incase it doesn't return the version or you want to install different version of python, follow the below steps.

Installing Python

Navigate to the Offical Python download site and download Python.

Do the following while installation:

• Select Custom Installation Option.
• Checked Install for All users from Advance Section of installation.
• Checked Add Python to enviornment veriable from Advance Section of installation.

Open Python Interpretor from Command Prompt

• Open Command Prompt and navigate to the installed python path and run the following command.

	
	python  => it will open python interpretor.
	
	exit()  => it will exit us from the interpretor.
	

Python Virtual Environment:

Benefits of using Python Virtual Environment
• A way to keep projects isolated.
• Different versions of libraries / packages.
• Different versions of Python.
• Project Organization.
• Keep default Python clean.
• multiple projects that depend on same library but different versions.

Create virtual environment using venv(Python 3):

	
	python -m venv C:\path\to\new\virtual_env
	

Activate Virtual Environment:

	
	C:\path\to\new\virtual_env\Scripts>activate.bat
	

Install packages into Virtual Environment:

	
	pip install [packages-name]
		Example:
			pip install requests
	

pip freeze:

	
	pip freeze
	

pip freeze will return the list of packages that we installed to a perticular virtual enviornment.