Rainbow Six Siege is a game that many people are interested in playing. If you’re one of them, then you might be wondering how to play it with mouse and keyboard on PS4 without adapter. In this article, we will show you how to do it without any problems. First of all, make sure that your PS4 is turned on and your computer is connected to it. Then, open the game’s launcher and type “Rainbow Six Siege” into the search bar. Once you’ve found the game, click on it and select “Play.” After that, your computer will start up Rainbow Six Siege and you’ll be able to play it with mouse and keyboard.