How to use Minecraft What's Hiding Behind the Mask? skin ?

Learn how to download and apply the What's Hiding Behind the Mask? 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 What's Hiding Behind the Mask? 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 What's Hiding Behind the Mask? skin file.

Does this skin have thick or skinny arms?

This particular What's Hiding Behind the Mask? skin has thick (4px) arms. It is based on the classic Steve model.

What color is this What's Hiding Behind the Mask? skin skin?

This particular Minecraft What's Hiding Behind the Mask? skin has the following color palette:
Black
Tundora
Midnight
Mine Shaft
Cod Gray