How to Add Widgets on macOS

Adding widget on macOS
Step 1 — Open the widget gallery
Right-click on the Desktop or open Notification Center (click the clock in the top-right corner), then click “Edit Widgets”.
Step 2 — Search for the widget
Use the search bar to type “Be My Widget”. Then select the widget you want from the list.
Step 3 — Choose where to place it
Drag the widget either onto your Desktop or keep it in Notification Center — your choice!
Step 4 — Click “Done”
When you're done arranging your widgets, click the “Done” button to finish.
Step 5 — Сustomize a widget
Right-click on the widget and choose “Edit Widget” to set a theme, change content, or adjust its behavior.