How to use Minecraft Nightmare Sans tweaks skin ?

Learn how to download and apply the Nightmare Sans tweaks 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 Nightmare Sans tweaks 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 Nightmare Sans tweaks skin file.

Does this skin have thick or skinny arms?

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

What color is this Nightmare Sans tweaks skin skin?

This particular Minecraft Nightmare Sans tweaks skin has the following color palette:
Jaguar
Jaguar
Jaguar
White
Black