How to use Minecraft What's That Symbol? skin ?

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

Does this skin have thick or skinny arms?

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

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

This particular Minecraft What's That Symbol? skin has the following color palette:
Mine Shaft
Black Russian
Shark
Rangoon Green
Black Russian