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Change mouse tracking, double-click, and scrolling speed on Mac
To work more comfortably, change the way your mouse responds as you move it. A wireless mouse must be connected with your Mac to make the changes below.
On your Mac, choose Apple menu
> System Preferences, then click Mouse.
Move the sliders to change any of the following:
Tip: As you adjust the sliders, try moving and clicking your mouse to see the effect of your changes.
Tracking: Adjusts how fast the pointer moves when you drag the mouse.
Double-Click: Adjusts how rapidly you must click for your Mac to recognise a double-click.
Scrolling (if your mouse has a scroll ball or wheel): Adjusts how quickly the pointer moves when you scroll.
If you use a Magic Mouse or other device with multiple buttons, you see additional options. For example, you can change an option for how you secondary click (or Control-click) the mouse.
If you have trouble using a mouse, you can turn on Mouse Keys, then use the keyboard or a numeric keypad to move the mouse pointer and click. See Control the pointer using Mouse Keys on Mac.