Minecraft skins are custom textures that change the appearance of a player's character, known as the Steve or Alex model. Players can create or download these skins to personalize their in-game avatar, making it unique and reflective of their style or interests. Skins can be applied easily through the Minecraft website or various third-party platforms. There are countless options available, ranging from popular characters from movies and games to original designs. This customization feature enhances the gaming experience, allowing players to express themselves creatively while exploring the Minecraft world.