Activating the virtual environment, why doesn't it work?

Question

Django

Unable to activate virtual environment. Photo below. Why doesn't it recognize source?

At the moment I'm studying, so I don't understand the nuances well. I would be grateful if you explain in simple language or throw off a link to the article, I will also additionally scour the network so as not to leave the question only on your shoulders.
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update:

(ll_env) PS C:\Users\afoni\python_work\learning_log> "C:\Users\afoni\python_work\learning_log\ll_env\Scripts\django-admin.exe" startproject learning_log.
line:1 character:75
+ ... rk\learning_log\ll_env\Scripts\django-admin.exe" startproject learnin ...
+ ~~~~~~~~~~~
Unexpected token "startproject" in expression or + CategoryInfo : ParserError
: (:) [], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : UnexpectedToken

Tell me more if it's not difficult, I want to create a file in django, but there were a couple of difficulties, first with django-admin, I managed to solve it by specifying the absolute path.

Answer 1

This is a Linux command, for windows there is a turned file or a batch file.
So they just need to be executed from the console.
https://docs.python.org/3/library/venv.html

Answer 2

Found the answer here
It turned out to quickly find the answer