
Use the App Store to update apps on Mac
App Store keeps track of updates for apps you purchased with your Apple ID.
When an update is available, you receive a notification. You also see a badge on the App Store icon in the Dock and a number next to Updates in the sidebar that shows the number of updates available.
Update from the App Store
- Update from the Updates pane: Click Updates in the sidebar, then click Update beside each app you want to update, or click Update All. 
- Update from the Discover, Create, Work, Play, Develop and Categories areas: Click the Update button next to an app. 
Update from the Apple menu
- On your Mac, choose Apple menu  - The number of updates appears to the right of App Store in the menu. 
- To get your updates, choose App Store. 
- After App Store opens, click Updates in the sidebar. 
Update from a notification
You can download an app update without opening App Store.
- If you receive a notification that an app update is available, click Install. (Or click Close to dismiss the notification.) 
Automatically keep apps up to date
You can automatically download and install app updates.
- In the App Store  on your Mac, choose App Store > Preferences. on your Mac, choose App Store > Preferences.
- Select Automatic Updates.