How to use Minecraft Mysterious Gaster skin ?

Learn how to download and apply the Mysterious Gaster 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 Mysterious Gaster 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 Mysterious Gaster skin file.

Does this skin have thick or skinny arms?

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

What color is this Mysterious Gaster skin skin?

This particular Minecraft Mysterious Gaster skin has the following color palette:
Mine Shaft
Black
Mine Shaft
Mercury
Alto