1. Install virtualenv
pip install virtualenv
2. Check the python interpreter path
where python
3. Create a virtual environment python3
+ win R & lt type cmd press enter, then: D: CD D: \ VScodeProjects \ PythonProjects \ OPMS the virtualenv Venv -p " C: \ the Users \ Test \ AppData \ the Local \ Programs \ the Python \ Python37-32 \ python.exe "
4. Activate the virtual environment and deactivated
cd D:\VScodeProjects\PythonProjects\opms\venv\Scripts
activate
deactivate.bat