Apple finished implementing a "solid-state" trackpad several years ago, replacing

the mechanical one it had been using since 1995. This brand-new style of trackpad 

originally debuted with the short-lived 12-inch MacBook from 2015. This Force

The final version of the 15-inch MacBook Pro was 13.75 inches (34.93 cm) x 9.48 

inches (24.07 cm) x 0.61 inch (1.55 cm) in size, with a 15.4-inch screen. A mor

contemplated a 15-inch MacBook Air as early as 2007, before the 13-inch 

changed names. Here's where to look for the app. For quicker access, you may also