How to use Minecraft My skin isn't working ?

Learn how to download and apply the My skin isn't working 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 My skin isn't working 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 My skin isn't working file.

Does this skin have thick or skinny arms?

This particular My skin isn't working has thick (4px) arms. It is based on the classic Steve model.

What color is this My skin isn't working skin?

This particular Minecraft My skin isn't working has the following color palette:
Black
Mercury
Alto
Alto
Alto