Thank you! Sorry for the silly question. Well, silly questions are the most important ones sometimes; they prevent accidents. To not darken the mood, you are a really patient person, keep living like that, haha.

Go to Mob Skins > Click “Upload Mob Skin” > Then click “Upload Mob Skin File” and choose ”Chicken” as the model > Click “Save” and it should appear, then “Save Draft” if you'd like to post it another time, or “Publish” to post it now.

P.S. You could also do scheduled publish instead, if you'd like.