Virtualenv
pip install virtualenv
# Creating a virtual env.
virtualenv myvirtualenv
# activating
source env/bin/activate
# on windows
.\env\Scripts\activate
Green Team
pip install virtualenv
# Creating a virtual env.
virtualenv myvirtualenv
# activating
source env/bin/activate
# on windows
.\env\Scripts\activatepython -m venv c:\path\to\myenv$ virtualenv --version
source env/bin/activate
python3 -m venv/env
source env/bin/activatepython3 -m venv /path/to/new/virtual/environment