Python 3.9.20. Find your version here
To create a virtual environment:
Windows:
python -m venv <venv name>
Unix:
python3 -m venv <venv name>
OR use your IDE. Make sure to actually select this environment in your IDE.
To install and manage packages, refer to requirements.txt. To install all listed requirements, do pip install -r requirements.txt from a directory that can see the requirements.txt.