How to use Minecraft I Don't Know skin ?

Learn how to download and apply the I Don't Know 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 I Don't Know 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 I Don't Know skin file.

Does this skin have thick or skinny arms?

This particular I Don't Know skin has thick (4px) arms. It is based on the classic Steve model.

What color is this I Don't Know skin skin?

This particular Minecraft I Don't Know skin has the following color palette:
Cararra
Quill Gray
Mine Shaft
Quill Gray
Cod Gray