Question: How do I get started with Full Site Editing?

Answer: See the Getting started guides.

1. Work in a test site or development environment – Recommended
2. Login as an administrator.
3. Install and activate Gutenberg – Mandatory
4. Install and activate a FSE theme such as TT1 Blocks – Mandatory
5. View the site
6. Choose the Edit site link from top toolbar
7. OR choose the Site Editor beta link from the admin menu.

References