Sony has released three more consoles after PS2, and many gamers who want to play PS2 games turn to the PCSX2 therefore, if you want to know how to use PCSX2, this is the guide for you. After you finish the mapping, close the settings windows and start any game you want to play and enjoy. Start mapping your PS4 controller by selecting the buttons you want to use in a game. You can set up one or two controllers select “Pad 1” and click on the “Clear All” tab if you want one controller. Another window showing all the detected devices will appear, select your PS4 controller and click on “Test Device”. Select “Controller” and click “Plugin Settings” to see all the devices detected by the PCSX2 app. Launch the PCSX2 app and click on the “Configuration” tab on the PCSX2 window. So, how do you use the PS4 controller for PCSX2? First, you need to connect your PS4 controller to your PC using either the wired or wireless option. If you have downloaded PCSX2 onto your computer, you might be wondering how you can use your PS4 controller to play games on it. You can download PCSX2 for free, and it is compatible with close to 98% of 2,689 tested games as of 2021. PCSX2 is a PlayStation 2 emulator that you can play PlayStation 2 games on using your gaming PC.