Right click on the picture that آپ want as your پیپر وال then click on set as پیپر وال image. یا if not, go on control Panel and change it from Display and Themes I think it's called.
u know stop joking it easy okay this is how آپ take a picture of what u want it to be and it says set at background and thats how uuuuuuuuuu get it i dont have to say it agian geash!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! and those who dont know s i post yall dum an byeeeeeee!!!!!!!!!!!!!! PEACE!!!!!!!!!!!!!!!!!!!!!!!!!