Answers for "Installing Python Packages with pip and virtualenv / venv in windows"

install virtualenv

pip install virtualenv

activate it by doing this:
cd myproject/Scripts/activate

python install virtualenv

python3.8 -m pip install --user virtualenv
python3.8 -m virtualenv --help

pip install virtualenv windows

where python
.../env/bin/python.exe

install virtualenv Python

cd my_project