install virtual envirnment in local computer in python

 1)  Open power shell using admin access and run following command

pip install virtualenv

2) create virtual environment with name 

virtualenv envName

3) activate the env 

.\envName\Scripts\activate

4)  deactivate the environment 

 deactivate

5) create all install module and package list using the requirement.txt file 

 pip freeze  > requiments.txt

6) if you want to install some module use the following command

 pip install math

7) if you want to give your local computer environment code with module list ... and install the another computer use following command

 pip install -r .\requiments.txt

8) if you want to install the localcomputer all python file and module in environment so you can use the following command

virtualenv --system-site-packages vishal 2