Primeiro é necessário a criação do ambiente virtual, por isso vamos usar.

python3 -m venv venv

Após isso é necessários ativar o ambiente virtual para instalarmos as bibliotecas necessárias.

#LINUX
source venv/bin/activate

#WINDOWS
venv\\Scripts\\activate.bat
#OU
venv\\Scripts\\Activate.ps1

Com o ambiente ativo só nos falta instalar as bibliotecas.

pip install django pillow

Agora precisamos criar a estrutura base do projeto Django, ou seja devemos utilizar.

django-admin startproject plataforma_cursos .

Vamos configurar o nosso arquivo settings.py

"""
Django settings for plataforma_cursos project.

Generated by 'django-admin startproject' using Django 3.2.6.

For more information on this file, see
<https://docs.djangoproject.com/en/3.2/topics/settings/>

For the full list of settings and their values, see
<https://docs.djangoproject.com/en/3.2/ref/settings/>
"""

from pathlib import Path
import os

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

# Quick-start development settings - unsuitable for production
# See <https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/>

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-cl=$h%uvrso#=v-y)6ussue@g9w*_b^^5*w!jts4!&@4oa4y5i'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'plataforma_cursos.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, 'templates')],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'plataforma_cursos.wsgi.application'

# Database
# <https://docs.djangoproject.com/en/3.2/ref/settings/#databases>

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}

# Password validation
# <https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators>

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]

# Internationalization
# <https://docs.djangoproject.com/en/3.2/topics/i18n/>

LANGUAGE_CODE = 'pt-BR'

TIME_ZONE = 'America/Sao_Paulo'

USE_I18N = True

USE_L10N = True

USE_TZ = True

# Static files (CSS, JavaScript, Images)
# <https://docs.djangoproject.com/en/3.2/howto/static-files/>

STATIC_URL = '/static/'
STATICFILES_DIRS = (os.path.join(BASE_DIR, 'templates/static'),)
STATIC_ROOT = os.path.join('static')

MEDIA_ROOT = os.path.join(BASE_DIR,'media')
MEDIA_URL = '/media/'

# Default primary key field type
# <https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field>

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

Agora vamos criar o nosso app usuários, responsável pela autenticação.

python3 manage.py startapp usuarios

Agora vamos definir uma URL para o nosso app.

from django.contrib import admin
from django.urls import path, include
from django.conf import settings
from django.conf.urls.static import static

urlpatterns = [
    path('admin/', admin.site.urls),
    path('auth/', include('usuarios.urls')),

]

urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

O próximo passo é criar as URL dentro de usuário.

from django.urls import path
from . import views

urlpatterns = [
    path('cadastro/', views.cadastro, name = 'cadastro'),
    path('login/', views.login, name = 'login'),
]

Criando as respectivas funções temos:

from django.http.response import Http404
from django.shortcuts import render
from django.http import HttpResponse

def cadastro(request):
    return HttpResponse('cadastro')

def login(request):
    return HttpResponse('login')

Mas agora precisamos renderizar templates HTML.