How to use Minecraft Caution: Nightmare Mode skin ?

Learn how to download and apply the Caution: Nightmare Mode 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 Caution: Nightmare Mode 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 Caution: Nightmare Mode skin file.

Does this skin have thick or skinny arms?

This particular Caution: Nightmare Mode skin has thick (4px) arms. It is based on the classic Steve model.

What color is this Caution: Nightmare Mode skin skin?

This particular Minecraft Caution: Nightmare Mode skin has the following color palette:
Cyan / Aqua
Black
Mantis
Mantis
Pastel Green