While downloading the dependencies, I've noticed there are quite a lot of them - the whole installation took quite a while:
But, as a result - we visit a homepage of our website, and we see an installer, similar to systems like WordPress. So we don't have to configure our .env file manually, it's been done for us.
Then - visual installer is doing its magic (again took quite a long time).
Aaaaaand... we're ready:
Then we can visit our homepage and see a "Welcome" default text.
And after logging in to the admin panel, we can create new pages - similar to how other CMSs work:
There are some interesting decisions here in the page settings - to be honest, overwhelming amount of fields there - for example, you can choose a layout theme for that particular page:
Finally, in terms of structure - the PyroCMS project looks really similar to Laravel folder structure, see here:
And there is a specific addons folder where you can extend the system according to the documentation (which is, by the way, still in progress).