Transcription: These are specific settings for different hardware, joysticks, keyboards, modems. You may not have those, but you will have a mouse, so double click on mouse. This lets you decide which is your primary button. I've been talking about, when I say click the button, being your left button. But if you're a left-handed person, you might want to reverse it, so that your primary button is the right and your secondary is the left. Right now, let's make sure to leave it on right-handed. The double click speed, if you have a hard time double clicking, you can set it to a slower speed and you can test it ...