On your Mac, add widgets to the desktop or Notification Center so you can keep tabs on your schedule, favorite devices, the weather, top headlines, and more.
Add and customize widgets to your desktop
On your Mac, Control-click the wallpaper, then choose Edit Widgets
In the widget browser, search for a widget or click a category, such as Clock, to view its available widgets
To automatically position a widget onto the desktop, click the widget or the widget's add button (+)
To manually position a widget onto the desktop, drag the widget to any position on the desktop
Click Done in the bottom-right corner when you are finished