Answers for "env python3"

python create virtualenv

pip install virtualenv # install first
cd projectfolder # go to project folder
python -m venv ./venv # Create a virtual environment named venv
Activate.ps1 # (powershell) start the file  to start the environment
activate.bat # (cmd) start the file  to start the environment
# if it worked you'll see a (venv) in front of your cursor path

venv

python -m venv c:pathtomyenv

python env

python3 -m venv tutorial-env
tutorial-envScriptsactivate.bat (window)
source tutorial-env/bin/activate (linux)