How to use Minecraft Roblox in a game I'm not sure of skin ?

Learn how to download and apply the Roblox in a game I'm not sure of 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 Roblox in a game I'm not sure of 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 Roblox in a game I'm not sure of skin file.

Does this skin have thick or skinny arms?

This particular Roblox in a game I'm not sure of skin has thick (4px) arms. It is based on the classic Steve model.

What color is this Roblox in a game I'm not sure of skin skin?

This particular Minecraft Roblox in a game I'm not sure of skin has the following color palette:
Shark
Black
Midnight Moss
White
Jungle Green