Version 2015, Force Touch, Mac book, activate three fingers to drag a window

The new 2015 version of the MAC book Pro, everything is good, is the original has been very accustomed to the three finger dragging the window gesture, suddenly found no place to set up, it is let me disappointed a, in the thinking of how the apple will be so useful gesture removed it. Fortunately there is a universal Google, a search, on Apple's official website to find a way to restore this setting. In some translation, I hope to help domestic friends.

1. From the top left corner of the Apple menu (?), select system settings
2. Select "Accessibility Options"
3. Select Mouse & Trackpad on the left menu
4. Select Trackpad on the right
5. Check if "Activate drag" is already checked
6. Then select "Three finger drag" from the drop-down menu.
7. Click "Confirm" to return

Original address: https://support.apple.com/en-us/HT204609, read English students or read English bar, my translation may also have a place is not correct, because my computer is English version, so some places may not on the Chinese version.

Version 2015, Force Touch, Mac book, activate three fingers to drag a window