How to use Minecraft Gaster in the Underground skin ?

Learn how to download and apply the Gaster in the Underground skin for Minecraft on PC (Java Edition) or Pocket Edition (PE).
PC (Java Edition):

1. Go to the Minecraft website and login to your account.
2. Click the “Minecraft Java Edition” dropdown menu and select “change skin”.
3. On the next page, click “select file” and upload the Gaster in the Underground skin file.

1. Open the game app and press the “dressing room” button on the main menu screen.
2. Press “Edit Character” -> “owned skins” -> “choose new skin” and upload the Gaster in the Underground skin file.

Does this skin have thick or skinny arms?

This particular Gaster in the Underground skin has thick (4px) arms. It is based on the classic Steve model.

What color is this Gaster in the Underground skin skin?

This particular Minecraft Gaster in the Underground skin has the following color palette:
Mine Shaft
Mine Shaft
White
Mine Shaft
Black