open https://www.lfd.uci.edu/~gohlke/pythonlibs/#pygame

download pygame 1.9.3 – cp37 – cp37m – win_amd64. WHL

PIP install pygame-1.9.3-cp37-cp37m-win_amd64.whl

test type import pygame in python IDLE. If no error is reported, the installation is successful, and then type pygame.ver to see the version number