You'll need the following dependencies:
- libgtk-4-dev (>= 4.10)
- libgranite-7-dev (>=7.7.0)
- libadwaita-1-dev (>= 1.4.0)
- libpantheon-wayland-1-dev
- meson
- valac
Run meson to configure the build environment and then ninja to build
meson build --prefix=/usr
cd build
ninja
To install, use ninja install
ninja install
Launch Onboarding with:
io.elementary.onboarding