Once your Beacon is active, a settler will eventually arrive. They will appear on a small raft near your base. Approach them and interact (E) to welcome them. They will then join your community. Initially, settlers have basic needs like food and water. Ensure you have a steady supply of both. You can ass them tasks through the 'Settler Management' menu (accessed by interacting with the settler or through the main menu). Ass them to resource gathering or basic production to start benefiting from their help.
