Be the best in such disciplines: the 100 meters sprint and the 200 meters sprint, 500 meters walk, javelin throw, the long jump, hurdle race and shot put.
Use right arrow key to speed up and space to: jump, setting power, etc.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.