Learn how to download and apply the
There is an app called Skin Editor 3D for Minecraft on PC (Java Edition) or Pocket Edition (PE).
PC (Java Edition):
This particular There is an app called Skin Editor 3D has thick (4px) arms. It is based on the classic Steve model.
This particular Minecraft There is an app called Skin Editor 3D has the following color palette:
Harlequin
Scarpa Flow
Cinderella
Cedar
Black