Cannot run django function

Question

I am following a tutorial on youtube on learning Django.The person i am following is using a macbook and i am on windows.The person run this command in his terminal trying to start a new project and he entered this code

django-admin startproject storefront

and he was successfull.But when i tried it for windows it gave an error. I googled the error and got a solution

python -m django startproject storefront         

Then the man wanted to run the server using this code

manage.py runserver

and he was successfull but when i tied on windows it gave this error

mange.py' is not recognized as an internal or external command,                                                                                               

operable program or batch file.