For instance, you can check the skin image's properties to see whether it is 64x64 and under 1 MB. Furthermore, you can re-check whether your skin looks blurred or in a weird shape when it opens ...

Head into the picture's properties to make sure that the skin's size is 64x64 pixels, otherwise, it might not be recognized by the game. 2) Head to the in-game option to import skins ...