Which one?
New project? Grab the starter: it bundles the framework and a ready-to-run layout. Adding Fast to something existing? The framework zip is just the source.
Just the framework in one zip: pure PHP 8.2 with nothing else to install. Drop it into an existing project or wire it up your own way.
Download .zipA ready-to-launch project with the framework bundled in. Unzip it, run php server.php, and you're live: no setup, no decisions.
New project? Grab the starter: it bundles the framework and a ready-to-run layout. Adding Fast to something existing? The framework zip is just the source.
The full framework source, the bootstrap and migration helpers, and the front-end assets. The tests and examples are left out to keep the download lean.
With the starter, unzip and run php server.php. With the framework, point your project at the fast/ folder. Either way, the Get Started guide walks you through your first app.