The PlayStation 4 (officially abbreviation PS4) is an eighth generation video game console developed by Sony Computer Entertainment. Presented on February 20, 2013, it succeeds PlayStation 3 and is in competition with Microsoft s Xbox One and the Wii U and then the Nintendo Switch. It came out on November 15, 2013 in the United States and Canada, 29 November in Europe and Australia, and February 22, 2014 in Japan. In 2016, on the occasion of the output of two hardware revisions, the original model is replaced by the PlayStation 4 called Slim and the PlayStation 4 Pro. On July 30, 2019, Sony announces on the one hand that his fourth salon support has elapsed in the world at 100 million units since the end of 2013, and on the other hand that more than a billion games have been sold since its launch. On this last point, the PlayStation 4 is the second video game console of the story to reach such a figure after the PlayStation 2,. It is also the best-selling console of its generation. Its...