Sculpt OS features a couple of presets, which are examples of several components wired-up for you. For a quick test, enable the "Use" button in the RAM-fs component (so everything will be deployed into RAM) and find the default presets in the "System" menu at the upper left screen corner.

The "Window manager" preset gives you a suitable starting point for a desktop scenario. Or the "Falkon web browser" preset gives you a disposable web browser. Upon selecting a preset, all the needed components will be downloaded and deployed automatically.

Even though the presets are a convenient starting point, to actually make use of the system, I'm afraid there is no way around studying the documentation: https://genode.org/documentation/articles/sculpt-25-04