To get started with Librarian, first you'll need to bootstrap a new application using Composer.

From your development machine, where you have PHP and Composer installed, run:

composer create-project librarianphp/librarian myblog

Once the dependencies are installed, you can run Librarian with the built-in PHP server:

cd myblog
php -S 0.0.0.0:8000 -t web/

Then you can access the app from your browser at http://localhost:8000. You'll see a page like this: