navegate to the folder ecommerce:
PS C:\Users\yourName> cd ecommerce
then you need to activate the workspace
PS C:\Users\yourName> ./Scripts/activate
then go to src
PS C:\Users\yourName> cd src
and run the server
(ecommerce) PS C:\Users\yourName> python manage.py runserver
NOTE: if you change anything on the models.py of your apps you need to make the migrations for the change to be effective:
(ecommerce) PS C:\Users\yourName> python manage.py makemigrations
(ecommerce) PS C:\Users\yourName> python manage.py migrate
if you add any static content, such as pictures or files (on ./static_local/img, not from http://127.0.0.1:8000/admin) you need to collect the static content
(ecommerce) PS C:\Users\yourName> python manage.py collectstatic