The Dock is an integral part of the Mac computer interface. Naturally, you might want to customize the very important Dock so that it looks exactly what you want.
Here’s how you can change the Dock’s size and other settings via System Preferences, or with a few simple clicks on the Dock itself.
How to change Dock size on Mac via System Preferences
1. In the top-left corner of your Mac’s screen, click the Apple icon and then select “System Preferences”.
2. Find and select “Dock” from the listed icons.
3. Use the slider next to “Size” to adjust the size of the Dock.
While in the Dock settings, you can also modify the magnification of the Docked icons when you hover your cursor over them, and the Dock’s location on your screen.