1）Mac 打开 System Settings
2）进入 Accessibility
3）进入 Pointer Control
4）选择 Trackpad Options，打开 Use trackpad for dragging，并且在 Dragging style 中选择 Three-Finger Drag
注：此前三指上滑进入窗口选择会变成四指上滑
打开苹果 Mac 触控板的三指拖移功能
AI-generated summary
To enable three-finger dragging on a Mac trackpad, go to System Settings, then Accessibility, and select Pointer Control. Choose Trackpad Options, enable Use trackpad for dragging, and select Three-Finger Drag as the dragging style. Note that this will change the gesture for window selection from three-finger swipe to four-finger swipe.