[. . . ] Ten function buttons include trigger Eight-way view finder (Hat switch) Throttle/Rudder controller USB (Universal Serial Bus) interface 5. [. . . ] (Some operating systems will install the DirectX program automatically first, so just follow the instructions on the screen to finish the program installation. ) 4. After the software installation is completed, you can connect your game device to the USB port on your computer. Click Start / Settings / Control Panel and double click on the "Game Controllers" or "Gaming Options" icon. In the "Game Controllers" or "Gaming Options" screen, you can calibrate and test your game controller before you play any game. When you finish the calibration and test, you can now play any game. Important: 1. In order to get the best effects when playing, we recommend you calibrate and test your game controller first. [. . . ] Please check the DirectX version on your system, and upgrade if necessary. [. . . ]