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ModuleNotFoundError: No module named 'django'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):

 File "C:\Users\Taha\Downloads\mysite\manage.py", line 22, in <module>

   main()

 File "C:\Users\Taha\Downloads\mysite\manage.py", line 13, in main

   raise ImportError(

ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?

PS C:\Users\Taha\Downloads\mysite>