If you're trying to execute an script and you receive a message like that
You can change your policies manually to be able to execute them.
# This sample will enable the current user to execute all of signed scripts. Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned
You can find further details about ExecutionPolicy on this page from the Microsoft documentation.
If you've found a typo, a sentence that could be improved or anything else that should be updated on this blog post, you can access it through a git repository and make a pull request. If you feel comfortable with github, instead of posting a comment, please go directly to https://github.com/campelo/documentation and open a new pull request with your changes.