Skin stuck as Alex

so I bought the game yesterday and everything is fine except my skin is stuck as Alex no matter what I do Ive tried everything I saw on youtube and here but nothing worked out I tried to run an adware and malware scan but did not work tried to log out and in again but nope plus I tried to play on different versions of the game but still , I even tried to change to steve but it still appeared as Alex . plz help I really do not wanna stay as Alex