Press the flag to begin and follow the directions that it tells you.
https://www.google.com/search?q=clouds+background&safe=strict&rlz=1CASQGI_enUS814&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiNvu67gLLhAhUKS60KHeOdCD0Q_AUIDigB&biw=1242&bih=583#imgrc=x1mcdV9TI3omBM:
