In your console go to the path where you want to clone the project and execute the command.
git clone https://github.com/karlbehrensg/todo-django.git
To made this step it's necesary you get install a Python 3.6 version or higher.
Go in to the project and create a enviroment, after that activate the enviroment and install all package required in requirements.txt.
cd todo.django
python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt
With the enviroment activate you need execute this command.
python manage.py runserver
In a browser go to http://127.0.0.1:8000/ to see the ToDo app.