pip install bootstrap

                                    npm install bootstrap

                                    pip install bootstrap-py
pip install django-bootstrap3

                                    pip install django-bootstrap4

INSTALLED_APPS = (
	# ...
    "bootstrap4",
    # ...
)

{% load bootstrap4 %}
<form action="/url/to/submit/" method="post" class="form">
	{% csrf_token %}
    {% bootstrap_form form %}
    {% buttons %}
        <button type="submit" class="btn btn-primary">Submit</button>
    {% endbuttons %}
</form>