To install, move your ship inventory to your player inventory or chests on the surface of a planet. Close Starbound and open the player folder, (C:Program Files (x86)SteamsteamappscommonStarboundplayer , for windows users). copy your .shipworld and back them up in a separate folder. Copy the name of the ship you want to replace, (e.g. "4920636622fab6f1cc246e9a8a740ac8.shipworld"). Open the download location of the and rename RedEel.shipworld with the copied name of the ship you are replacing. Ensure that you have a back up your original ship in a separate folder before copying and replacing the file in the /player folder. Start up Starbound and enjoy!