You cannot change the default “Steve” skin for the newer “Alex” skin, and vice versa. Your default skin is randomly generated and applied based on your account ID. Without installing a new skin, your Minecraft avatar will automatically look like this: How to Install Minecraft Mods: The Ultimate Guideįor context, every Minecraft player avatar has a default classic skin known as the “Steve” skin.Best Minecraft Texture Packs: The Complete List.To put it simply, Minecraft Skins allow you to customize how your Minecraft player avatar looks like. The technical definition of a Minecraft Skin refers to the textures that are placed on a player model or mob model to change its in-game appearance.