How to use Minecraft What's That? skin ?

Learn how to download and apply the What's That? 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 That? 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 That? skin file.

Does this skin have thick or skinny arms?

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

What color is this What's That? skin skin?

This particular Minecraft What's That? skin has the following color palette:
Viking
Black Pearl
Punga
Downriver
Blue Zodiac