How to use Minecraft Under swap skin ?

Learn how to download and apply the Under swap 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 Under swap 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 Under swap skin file.

Does this skin have thick or skinny arms?

This particular Under swap skin has thick (4px) arms. It is based on the classic Steve model.

What color is this Under swap skin skin?

This particular Minecraft Under swap skin has the following color palette:
Sanguine Brown
Lucky
William
English Walnut
Bismark